Configure AD FS and Azure AD Multi-Factor Authentication (2023)

  • Article

Applies to: Windows 2016 and later

If your organization is federated with Azure AD, you can use Azure AD Multi-Factor Authentication to secure AD FS resources, both on-premises and in the cloud. Azure AD Multi-Factor Authentication enables you to eliminate passwords and provide a more secure way to authenticate. With AD FS, you can configure Azure AD Multi-Factor Authentication for primary authentication or use it as an additional authentication provider.

Unlike with AD FS in Windows Server 2012 R2, the AD FS 2016 Azure AD Multi-Factor Authentication adapter integrates directly with Azure AD and doesn't require an on premises Azure AD Multi-Factor Authentication server. The Azure AD Multi-Factor Authentication adapter is built in to Windows Server 2016. No other installation is required.

Registering users for Azure AD Multi-Factor Authentication using AD FS

AD FS doesn't support inline "proofup" (registration of Azure AD Multi-Factor Authentication security verification information such as phone number or mobile app). Without support for inline proof, users must get proofed up by visiting https://account.activedirectory.windowsazure.com/Proofup.aspx prior to using Azure AD Multi-Factor Authentication to authenticate to AD FS applications.When a user that hasn't yet proofed up in Azure AD tries to authenticate with Azure AD Multi-Factor Authentication at AD FS, you get an AD FS error. As an AD FS administrator, you can customize this error experience to guide the user to the proofup page instead. You can do this using onload.js customization to detect the error message string within the AD FS page and show a new message to direct the user to https://aka.ms/mfasetup to reattempt authentication. For detailed guidance, see Customize the AD FS web page to guide users to register MFA verification methods in this article.

Note

Prior to this update, users had to authenticate using Azure AD Multi-Factor Authentication for registration (by visiting https://account.activedirectory.windowsazure.com/Proofup.aspx, for example using the shortcut https://aka.ms/mfasetup). With this update, an AD FS user who has not yet registered Azure AD Multi-Factor Authentication verification information can access the Azure proofup page using the shortcut https://aka.ms/mfasetup using only primary authentication (such as Windows Integrated Authentication or username and password at the AD FS web pages). If the user has no verification methods configured, Azure AD performs inline registration; the user sees the message "Your admin has required that you set up this account for additional security verification." Then the user selects Set it up now.Users who already have at least one verification method configured will still be prompted to provide multi-factor authentication (MFA) when visiting the proofup page.

Recommended deployment topologies

This section covers using Azure AD Multi-Factor Authentication as the primary authentication method with AD FS and Azure AD Multi-Factor Authentication for Office 365.

Azure AD Multi-Factor Authentication as primary authentication

There are a couple of great reasons to use Azure AD Multi-Factor Authentication as Primary Authentication with AD FS:

  • To avoid passwords for sign-in to Azure AD, Office 365 and other AD FS apps
  • To protect password based sign-in by requiring another factor such as verification code prior to the password

You also may want to use Azure AD Multi-Factor Authentication as the primary authentication method and Azure AD conditional access, including true MFA by prompting for additional factors. To use Azure AD MFA on premises, you can configure the Azure AD domain setting by setting SupportsMfa to $True. In this configuration, Azure AD can prompt AD FS to perform additional authentication or "true MFA" for conditional access scenarios that require it.

Any AD FS user who isn't registered (hasn't yet configured MFA verification information) should be prompted to configure verification information. To prompt unregistered users, you can use a customized AD FS error page to direct users to https://aka.ms/mfasetup and configure verification information. Once configured they can reattempt their AD FS sign-in.

Azure AD Multi-Factor Authentication as primary authentication is considered a single factor. After initial configuration users need to provide an additional factor to manage or update their verification information in Azure AD, or to access other resources that require MFA.

Note

With AD FS 2019, you're required to make a modification to the anchor claim type for the Active Directory Claims Provider trust and modify this from the windowsaccountname to UPN. Execute the following PowerShell cmdlet. This has no impact on the internal functioning of the AD FS farm. It's possible a few users may be re-prompted for credentials after this change is made. After logging in again, end users will see no difference.

(Video) ADFS - Multi Factor Authentication using Azure MFA and Certificate Authentication

Set-AdfsClaimsProviderTrust -AnchorClaimType "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/upn" -TargetName "Active Directory"

Azure AD Multi-Factor Authentication as additional authentication to Office 365

Azure AD Multi-Factor Authentication adapter for AD FS enables your users to do MFA on AD FS. To secure your Azure AD resource, it's recommended you require MFA through a Conditional Access policy. You must also set the domain setting SupportsMfa to $True and emit the multipleauthn claim when a user performs two-step verification successfully.

As described previously, any AD FS user who isn't registered (hasn't yet configured MFA verification information) should be prompted to configure verification information. To prompt unregistered users, you can use a customized AD FS error page to direct users to https://aka.ms/mfasetup and configure verification information. Once configured they can reattempt their AD FS sign-in.

Prerequisites

The following prerequisites are required when using Azure AD Multi-Factor Authentication for authentication with AD FS:

  • An Azure subscription with Azure Active Directory.
  • Azure AD Multi-Factor Authentication

Note

Azure AD and Azure AD Multi-Factor Authentication are included in Azure AD Premium and the Enterprise Mobility Suite (EMS). You do not need individual subscriptions if you have either of these applications installed.

  • A Windows Server 2016 AD FS on-premises environment.
  • Your on-premises environment is federated with Azure AD.
  • Microsoft Azure Active Directory Module for Windows PowerShell.
  • Global administrator permissions on your instance of Azure AD to configure it using Azure AD PowerShell.
  • Enterprise administrator credentials to configure the AD FS farm for Azure AD Multi-Factor Authentication.

Configure the AD FS Servers

In order to complete configuration for Azure AD Multi-Factor Authentication for AD FS, you need to configure each AD FS server using the steps described here.

Note

Ensure that these steps are performed on all AD FS servers in your farm. If you've multiple AD FS servers in your farm, you can perform the necessary configuration remotely using Azure AD PowerShell.

Step 1: Generate a certificate for Azure AD Multi-Factor Authentication on each AD FS server

The first thing you need to do is to use the New-AdfsAzureMfaTenantCertificate PowerShell command to generate a certificate for Azure AD Multi-Factor Authentication to use. After you generate the certificate, find it in the local machines certificate store. The certificate is marked with a subject name containing the TenantID for your Azure AD directory.

Configure AD FS and Azure AD Multi-Factor Authentication (1)

The TenantID is the name of your directory in Azure AD. Use the following PowerShell cmdlet to generate the new certificate:

$certbase64 = New-AdfsAzureMfaTenantCertificate -TenantID <tenantID>

Configure AD FS and Azure AD Multi-Factor Authentication (2)

Step 2: Add the new credentials to the Azure Multi-Factor Auth Client Service Principal

In order to enable the AD FS servers to communicate with the Azure Multi-Factor Auth Client, you need to add the credentials to the Service Principal for the Azure Multi-Factor Auth Client. The certificates generated using the New-AdfsAzureMFaTenantCertificate cmdlet serves as these credentials. Using PowerShell, perform the following steps to add the new credentials to the Azure Multi-Factor Auth Client Service Principal.

Note

(Video) Configure Azure AD Multi-Factor Authentication DEMO Step by Step

In order to complete this step you need to connect to your instance of Azure AD with PowerShell using Connect-MsolService. These steps assume you've already connected via PowerShell. For information see Connect-MsolService.

Set the certificate as the new credential against the Azure Multi-Factor Auth Client

New-MsolServicePrincipalCredential -AppPrincipalId 981f26a1-7f43-403b-a875-f8b09b8cd720 -Type asymmetric -Usage verify -Value $certBase64

Important

This command needs to be run on all of the AD FS servers in your farm. Azure AD MFA will fail on servers that haven't had the certificate set as the new credential against the Azure Multi-Factor Auth Client.

Note

981f26a1-7f43-403b-a875-f8b09b8cd720 is the GUID for Azure Multi-Factor Auth Client.

Configure the AD FS Farm

After you've completed the steps in the previous section for each AD FS server, set the Azure tenant information using the Set-AdfsAzureMfaTenant cmdlet. This cmdlet needs to be executed only once for an AD FS farm.

Open a PowerShell prompt and enter your own tenantId with the Set-AdfsAzureMfaTenant cmdlet. For customers that use Microsoft Azure Government cloud, add the -Environment USGov parameter:

Note

You need to restart the AD FS service on each server in your farm before these changes take effect. For minimal impact, take each AD FS server out of the NLB rotation one at a time and wait for all connections to drain.

Set-AdfsAzureMfaTenant -TenantId <tenant ID> -ClientId 981f26a1-7f43-403b-a875-f8b09b8cd720

Configure AD FS and Azure AD Multi-Factor Authentication (3)

Windows Server without the latest service pack doesn't support the -Environment parameter for the Set-AdfsAzureMfaTenant cmdlet. If you use Azure Government cloud and the previous steps failed to configure your Azure tenant due to the missing -Environment parameter, complete the following steps to manually create the registry entries. Skip these steps if the previous cmdlet correctly registered your tenant information or if you aren't in the Azure Government cloud:

  1. Open Registry Editor on the AD FS server.

  2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ADFS. Create the following registry key values:

    Registry keyValue
    SasUrlhttps://adnotifications.windowsazure.us/StrongAuthenticationService.svc/Connector
    StsUrlhttps://login.microsoftonline.us
    ResourceUrihttps://adnotifications.windowsazure.us/StrongAuthenticationService.svc/Connector
  3. Restart the AD FS service on each server in the farm before these changes take effect. For minimal impact, take each AD FS server out of the NLB rotation one at a time and wait for all connections to drain.

    (Video) Installing MFA adapter for ADFS - On Prem Azure MFA server

After this step, you'll see that Azure AD Multi-Factor Authentication is available as a primary authentication method for intranet and extranet use.

Configure AD FS and Azure AD Multi-Factor Authentication (4)

If you want to use Azure AD Multi-Factor Authentication as a secondary authentication method, on the Edit Authentication Methods box, select the Multi-factor tab (the Additional tab in AD FS 2019) and ensure that it's enabled. Otherwise you might receive error messages, such as, "No valid strong authentication method found. Contact your administrator to configure and enable an appropriate strong authentication provider".

Renew and Manage AD FS Azure AD Multi-Factor Authentication Certificates

The following guidance is designed to help you manage the Azure AD Multi-Factor Authentication certificates on your AD FS servers.

By default, when you configure AD FS with Azure AD Multi-Factor Authentication, the certificates generated via the New-AdfsAzureMfaTenantCertificate PowerShell cmdlet are valid for two years. To determine how close to expiration your certificates are, and to renew and install new certificates, use the following procedure.

  1. Assess AD FS Azure AD Multi-Factor Authentication certificate expiration date

    On each AD FS server, in the local computer My store, there's a self signed certificate with "Microsoft AD FS Azure MFA" in the Issuer and Subject. This certificate is the Azure AD Multi-Factor Authentication certificate. Check the validity period of this certificate on each AD FS server to determine the expiration date.

  2. Create a new AD FS Azure AD Multi-Factor Authentication Certificate on each AD FS server

    If the validity period of your certificates is nearing its end, start the renewal process by generating a new Azure AD Multi-Factor Authentication certificate on each AD FS server. In a PowerShell command window, generate a new certificate on each AD FS server using the following cmdlet:

    Caution

    If your certificate has already expired, don't add the -Renew $true parameter to the following command. In this scenario, the existing expired certificate is replaced with a new one instead of being left in place and an additional certificate created.

    $newcert = New-AdfsAzureMfaTenantCertificate -TenantId <tenant id such as contoso.onmicrosoft.com> -Renew $true

    If the certificate hasn't already expired, a new certificate that is valid from two days in the future to two days + 2 years is generated. AD FS and Azure AD Multi-Factor Authentication operations aren't affected when running cmdlet or renewing the certificate. The two-day delay is intentional and provides time to execute the following steps to configure the new certificate in the tenant before AD FS starts using it for Azure AD Multi-Factor Authentication.

  3. Configure each new AD FS Azure AD Multi-Factor Authentication certificate in the Azure AD tenant

    Using the Azure AD PowerShell module, for each new certificate (on each AD FS server), update your Azure AD tenant settings as follows (Note: you must first connect to the tenant using Connect-MsolService to run the following commands).

    New-MsolServicePrincipalCredential -AppPrincipalId 981f26a1-7f43-403b-a875-f8b09b8cd720 -Type Asymmetric -Usage Verify -Value $newcert

    If your previous certificate is expired, restart the AD FS service to pick up the new certificate. You don't need to restart the AD FS service if you renewed a certificate before it expired.

  4. Verify that the new certificate(s) is used for Azure AD Multi-Factor Authentication

    (Video) How to configure and enforce multi-factor authentication in your tenant

After the new certificate(s) become valid, AD FS will pick them up and start using each respective certificate for Azure AD Multi-Factor Authentication within a few hours to one day. After AD FS begins using the new certificates, on each server you'll see an event logged in the AD FS Admin event log with the following information:

Log Name: AD FS/AdminSource: AD FSDate: 2/27/2018 7:33:31 PMEvent ID: 547Task Category: NoneLevel: InformationKeywords: AD FSUser: DOMAIN\adfssvcComputer: ADFS.domain.contoso.comDescription:The tenant certificate for Azure MFA has been renewed.TenantId: contoso.onmicrosoft.com.Old thumbprint: 7CC103D60967318A11D8C51C289EF85214D9FC63.Old expiration date: 9/15/2019 9:43:17 PM.New thumbprint: 8110D7415744C9D4D5A4A6309499F7B48B5F3CCF.New expiration date: 2/27/2020 2:16:07 AM.

Customize the AD FS web page to guide users to register MFA verification methods

Use the following examples to customize your AD FS web pages for users who haven't yet proofed up (configured MFA verification information).

Find the error

First, AD FS returns a couple of different error messages when the user lacks verification information.If you're using Azure AD Multi-Factor Authentication as primary authentication, the unproofed user sees an AD FS error page containing the following messages:

 <div id="errorArea"> <div id="openingMessage" class="groupMargin bigText"> An error occurred </div> <div id="errorMessage" class="groupMargin"> Authentication attempt failed. Select a different sign in option or close the web browser and sign in again. Contact your administrator for more information. </div>

When Azure AD as additional authentication is being attempted, the unproofed user sees an AD FS error page containing the following messages:

<div id='mfaGreetingDescription' class='groupMargin'>For security reasons, we require additional information to verify your account (mahesh@jenfield.net)</div> <div id="errorArea"> <div id="openingMessage" class="groupMargin bigText"> An error occurred </div> <div id="errorMessage" class="groupMargin"> The selected authentication method is not available for &#39;username@contoso.com&#39;. Choose another authentication method or contact your system administrator for details. </div>

Catch the error and update the page text

To catch the error and show the user custom guidance, append the JavaScript to the end of the onload.js file that's part of the AD FS web theme. Do so allows you to:

  • Search for the identifying error string(s)
  • Provide custom web content

Note

For guidance in general on how to customize the onload.js file, see the article Advanced Customization of AD FS Sign-in Pages.

The following steps show a simple example.

  1. Open Windows PowerShell on your primary AD FS server and create a new AD FS Web Theme by running the following command.

     New-AdfsWebTheme –Name ProofUp –SourceName default
  2. Create the folder and export the default AD FS Web Theme:

     New-Item -Path 'c:\Theme' -ItemType Directory;Export-AdfsWebTheme –Name default –DirectoryPath c:\Theme
  3. Open the C:\Theme\script\onload.js file in a text editor

  4. Append the following code to the end of the onload.js file

    //Custom Code//Customize MFA exception//Beginvar domain_hint = "<YOUR_DOMAIN_NAME_HERE>";var mfaSecondFactorErr = "The selected authentication method is not available for";var mfaProofupMessage = "You will be automatically redirected in 5 seconds to set up your account for additional security verification. Once you've completed the setup, please return to the application you are attempting to access.<br><br>If you are not redirected automatically, please click <a href='{0}'>here</a>."var authArea = document.getElementById("authArea");if (authArea) { var errorMessage = document.getElementById("errorMessage"); if (errorMessage) { if (errorMessage.innerHTML.indexOf(mfaSecondFactorErr) >= 0) { //Hide the error message var openingMessage = document.getElementById("openingMessage"); if (openingMessage) { openingMessage.style.display = 'none' } var errorDetailsLink = document.getElementById("errorDetailsLink"); if (errorDetailsLink) { errorDetailsLink.style.display = 'none' } //Provide a message and redirect to Azure AD MFA Registration Url var mfaRegisterUrl = "https://account.activedirectory.windowsazure.com/proofup.aspx?proofup=1&whr=" + domain_hint; errorMessage.innerHTML = "<br>" + mfaProofupMessage.replace("{0}", mfaRegisterUrl); window.setTimeout(function () { window.location.href = mfaRegisterUrl; }, 5000); } }}//End Customize MFA Exception//End Custom Code

    Important

    You need to change "<YOUR_DOMAIN_NAME_HERE>"; to use your domain name. For example:var domain_hint = "contoso.com";

  5. Save the onload.js file

    (Video) Microsoft Active Directory Federation Services (AD FS) Two Factor Authentication

  6. Import the onload.js file into your custom theme by typing the following Windows PowerShell command:

    Set-AdfsWebTheme -TargetName ProofUp -AdditionalFileResource @{Uri='/adfs/portal/script/onload.js';path="c:\theme\script\onload.js"}
  7. Apply the custom AD FS Web Theme by typing the following Windows PowerShell command:

    Set-AdfsWebConfig -ActiveThemeName "ProofUp"

Manage TLS/SSL Protocols and Cipher Suites used by AD FS and Azure AD Multi-Factor Authentication

FAQs

How does Azure MFA work with AD FS? ›

To use Azure AD MFA on premises, you can configure the Azure AD domain setting by setting SupportsMfa to $True . In this configuration, Azure AD can prompt AD FS to perform additional authentication or "true MFA" for conditional access scenarios that require it.

How to use MFA with AD FS? ›

  1. Install and configure Microsoft ADFS in Okta.
  2. Install the Okta ADFS Plugin on your ADFS Server.
  3. Enable the Okta MFA Provider in ADFS.
  4. Add Access Control Policy to a Relying Party Application.
  5. Assign the Microsoft ADFS (MFA) application.
  6. Verify the Okta MFA prompt when logging into ADFS.

How to setup AD FS with Azure AD? ›

Steps to deploy AD FS in Azure
  1. Deploying the network. ...
  2. Create storage accounts. ...
  3. Create availability sets. ...
  4. Deploy virtual machines. ...
  5. Configuring the domain controller / AD FS servers. ...
  6. Deploying Internal Load Balancer (ILB) ...
  7. Configuring the Web Application Proxy server. ...
  8. Deploying the Internet Facing (Public) Load Balancer.
Feb 8, 2023

How do I enable Multifactor authentication in Azure AD? ›

Add multifactor authentication for your users
  1. Sign in to the Azure portal and select User management.
  2. Select Multifactor authentication.
  3. Select the user you want to enable and then select Enable. "Enabled" in this procedure means that the user is asked to set up MFA verification when they sign in for the first time.
Mar 21, 2023

What is the difference between Azure AD authentication and AD FS? ›

The key difference is that AAD is an identity and access management (IAM) solution while AD FS is a security token service (STS). As such, they each have their own distinctions.

Can Azure AD MFA work with on Prem Active Directory? ›

A big yes! There is absolutely no requirement to have an Azure or Microsoft 365 subscription to enable MFA for the on-premise Active directory. You can connect the On-premise AD directly to miniOrange via LDAP protocol and use it for authentication purposes.

How do I use AD FS for authentication? ›

Configure AD FS to allow Business Central authentication
  1. Open Server Manager on the computer that is running AD FS, choose AD FS > Tools > AD FS Management.
  2. Right-click Relying Party Trusts, and then choose Add Relying Party Trust. ...
  3. In the Welcome step, choose Claims aware, and then choose Start.
Feb 15, 2022

Do you need Azure AD for MFA? ›

Yes. Azure AD Multi-Factor Authentication is required at sign-in. All users start out Disabled.

Can you do MFA with Active Directory? ›

Azure Active Directory (Azure AD) Multi-Factor Authentication helps safeguard access to data and applications, providing another layer of security by using a second form of authentication. Organizations can enable multifactor authentication (MFA) with Conditional Access to make the solution fit their specific needs.

Does Azure AD Connect use AD FS? ›

To add an AD FS server, Azure AD Connect requires a PFX certificate. Therefore, you can perform this operation only if you configured the AD FS farm by using Azure AD Connect. Select Deploy an additional Federation Server, and then select Next.

Is AD FS part of Azure AD? ›

PRO TIP: Warning: Azure AD is not the same as ADFS. While both are identity management solutions, they are designed for different purposes. Azure AD is a cloud-based solution that provides users with access to resources, while ADFS is a on-premises solution that allows users to authenticate to applications.

Does Azure AD provide synced authentication? ›

With cloud authentication, you can choose from two options: Azure AD password hash synchronization. The simplest way to enable authentication for on-premises directory objects in Azure AD. Users can use the same username and password that they use on-premises without having to deploy any other infrastructure.

Which three authentication methods can be used by Azure MFA? ›

Available verification methods
  • Microsoft Authenticator.
  • Authenticator Lite (in Outlook)
  • Windows Hello for Business.
  • FIDO2 security key.
  • OATH hardware token (preview)
  • OATH software token.
  • SMS.
  • Voice call.
Mar 14, 2023

How do I set up Azure AD authentication? ›

Configure client apps to access your App Service
  1. From the portal menu, select Azure Active Directory.
  2. From the left navigation, select App registrations > New registration.
  3. In the Register an application page, enter a Name for your app registration.
  4. Select Register.
May 24, 2023

What are the requirements for multi factor authentication? ›

Most modern MFA systems require users to use authentication factors from at least two of three different categories: Something the user “knows” (knowledge) Something the user “has” (possession) Something the user “is” (inherence)

What are the disadvantages of ADFS? ›

It's complex to set up. Another limitation is that ADFS requires multiple hardware components and applications to adequately meet single sign-on needs. It also requires extensive configuration and maintenance.

What type of authentication does ADFS use? ›

In order to enable multi-factor authentication (MFA), you must select at least one extra authentication method. By default, in Active Directory Federation Services (AD FS) in Windows Server, you can select Certificate Authentication (in other words, smart card-based authentication) as an extra authentication method.

What is the alternative to ADFS? ›

Top Microsoft Active Directory Federation Services Alternatives
  • Okta Single Sign-On.
  • PingOne Cloud Platform.
  • RSA SecurID Access.
  • SecureAuth Arculix.
  • AWS Identity and Access Management (IAM)
  • IBM Security Verify Access.
  • JumpCloud.
  • Symantec VIP Access Manager (Legacy)

What is the difference between Azure AD MFA and Office 365 MFA? ›

Azure MFA provides more security and greater flexibility. Unlike the Office 365 MFA, it can even be enforced on hybrid deployments making it a potent solution to protect against threats emanating from various sources that target not just user accounts but an organization's infrastructure as a whole.

What is the difference between MFA enabled and enforced in Azure AD? ›

Enabled: The user has been enrolled in MFA but has not completed the registration process. They will be prompted to complete the registration process the next time they sign in. Enforced: The user has been enrolled and has completed the MFA registration process.

How to configure ADFS step by step? ›

Useful notes for the steps in the video
  1. Step 1: Install Active Directory Federation Services. ...
  2. Step 2: Request a certificate from a third-party CA for the Federation server name. ...
  3. Step 3: Configure AD FS. ...
  4. Step 4: Download Microsoft 365 tools. ...
  5. Step 5: Add your domain to Microsoft 365. ...
  6. Step 6: Connect AD FS to Microsoft 365.
Mar 16, 2023

Does ADFS provide authorization? ›

Active Directory Federation Service (ADFS) is a software component developed by Microsoft to provide Single Sign-On (SSO) authorization service to users on Windows Server Operating Systems.

Is Azure MFA discontinued? ›

Azure MFA Server Will Be Discontinued

In September 2022, Microsoft announced that beginning September 30, 2024, Azure Multi-Factor Authentication Server deployments will no longer service multifactor authentication (MFA) requests.

What is the benefit of Azure AD MFA? ›

What is Azure Active Directory multifactor authentication? Multifactor authentication (MFA) adds a layer of protection to the sign-in process. When accessing accounts or apps, users provide additional identity verification, such as scanning a fingerprint or entering a code received by phone.

Is LDAP considered MFA? ›

MFA for LDAP is a way to protect your LDAP users with Multi-Factor Authentication by introducing an extra layer of protection during application logins. LDAP MFA requires all LDAP users to provide at least two authentication factors each time they sign in to an application. The first factor is usually their password.

Does AD FS need to be on a domain controller? ›

Service account requirements

Any standard service account can be used as a service account for AD FS. Group managed service accounts are also supported. This requires at least one domain controller (it is recommended that you deploy two or more) that is running Windows Server 2012 or higher.

What is the difference between managed and federated AD FS? ›

A Federated domain in Azure Active Directory (Azure AD) is a domain that is configured to use federation technologies, such as Active Directory Federation Services (AD FS), to authenticate users. A Managed domain, on the other hand, is a domain that is managed by Azure AD and uses Azure AD for authentication.

Is AD FS retired? ›

Microsoft Eliminates Need for ADFS with Azure Active Directory Certificate-Based Authentication Preview. Microsoft on Monday announced the availability of Azure Active Directory certificate-based authentication (CBA) at the public preview stage. CBA lets organizations authenticate with Azure AD using x.

Why not to use AD FS? ›

The ADFS experience is not user friendly and authentication that happens on site is expensive and has a complex setup process. It makes access to tools like Office 365 dependent on servers, thus defeating the purpose of moving to the cloud.

Is AD FS same as LDAP? ›

That way, you can be certain that data stays private. Whereas ADFS is focused on Windows environments, LDAP is more flexible. It can accommodate other types of computing including Linux/Unix. LDAP is ideal for situations where you need to access data frequently but only add or modify it now and then.

What is the difference between AD FS and SAML? ›

While SAML is an identity provider, ADFS is a service provider. A SAML 2.0 Identity Provider (IdP) can take multiple forms, one of which is a self hosted Active Directory Federation Services (ADFS) server.

What is Azure Active Directory with MFA? ›

What is Azure Active Directory multifactor authentication? Multifactor authentication (MFA) adds a layer of protection to the sign-in process. When accessing accounts or apps, users provide additional identity verification, such as scanning a fingerprint or entering a code received by phone.

What is the difference between MFA and 2FA? ›

2FA is a multi-factor authentication method that requires exactly two authentication factors. MFA, compared with 2FA, has an additional dimension of authentication, requiring at least two or more authentication factors — two, three, or even more. Note that 2FA is MFA, but MFA cannot be considered a 2FA.

What is the most secure form of MFA? ›

The most secure Multi-Factor Authentication method is a phishing-resistant type of MFA, which means that attackers cannot intercept or dupe users into providing account access. Phishing-resistant types of MFA include FIDO2 and WebAuthn standard, hardware-based security keys.

What is the primary difference between 2FA and MFA? ›

MFA vs 2FA. So, two-factor authentication (2FA) requires users to present two types of authentication, while MFA requires users to present at least two, if not more types of authentication. This means that all 2FA is an MFA, but not all MFA is a 2FA.

What is Azure AD authentication options? ›

Azure AD Multi-Factor Authentication (MFA) adds additional security over only using a password when a user signs in. The user can be prompted for additional forms of authentication, such as to respond to a push notification, enter a code from a software or hardware token, or respond to an SMS or phone call.

How do I use Azure AD for user authentication? ›

Configure authentication in Power Virtual Agents
  1. In Power Virtual Agents, under Settings, select Security, and then select Authentication.
  2. Select Manual (for custom website).
  3. Turn on Require users to sign in.
  4. Set the following properties. Property. Value. Service provider. Select Azure Active Directory V2. ...
  5. Select Save.
May 15, 2023

What are the 5 categories of multifactor authentication? ›

The five main authentication factor categories are knowledge factors, possession factors, inherence factors, location factors, and behavior factors.

Which are the three 3 factor categories used in multi-factor authentication? ›

The three authentication factors are:
  • Knowledge Factor – something you know, e.g., password.
  • Possession Factor – something you have, e.g., mobile phone.
  • Inherence Factor – something you are, e.g., fingerprint.
Dec 14, 2021

Does MFA require two devices? ›

With multiple MFA devices, you only need one MFA device to sign in to the console or to create a session through the AWS Command Line Interface (AWS CLI) as that principal.

Does AD FS support MFA? ›

The miniOrange ADFS MFA connector helps you to enable Two Factor Authentication (2FA) for your users to protect the access to Microsoft Active Directory Federation Services (ADFS) by adding a second layer of authentication challenge to existing username and password of ADFS Deployment.

How does Azure AD pass through authentication work? ›

Azure Active Directory (Azure AD) Pass-through Authentication allows your users to sign in to both on-premises and cloud-based applications by using the same passwords. Pass-through Authentication signs users in by validating their passwords directly against on-premises Active Directory.

How does AD FS certificate authentication work? ›

AD FS performs user certificate authentication by default on port 49443 with the same hostname as AD FS (example: adfs.contoso.com ). You can also configure AD FS to use port 443 (the default HTTPS port) by using the alternate SSL binding. However, the URL used in this configuration is certauth.

Can you enable MFA on Active Directory? ›

In the Azure portal, search for and select Azure Active Directory, and then select Users. Select Per-user MFA. Under multi-factor authentication at the top of the page, select service settings. On the service settings page, under verification options, select or clear the appropriate checkboxes.

Does AD FS work with Azure AD? ›

Active Directory Federation Services (AD FS) help Azure AD users to seamlessly and securely authenticate themselves into various applications with Web Single Sign-on. They only need to sign-in once with their on-premises credentials to sign in to all the applications on Azure as well.

Which three authentication methods can Azure AD? ›

Available verification methods
  • Microsoft Authenticator.
  • Authenticator Lite (in Outlook)
  • Windows Hello for Business.
  • FIDO2 security key.
  • OATH hardware token (preview)
  • OATH software token.
  • SMS.
  • Voice call.
Mar 14, 2023

How do I implement Azure AD authentication? ›

Configure client apps to access your App Service
  1. From the portal menu, select Azure Active Directory.
  2. From the left navigation, select App registrations > New registration.
  3. In the Register an application page, enter a Name for your app registration.
  4. Select Register.
May 24, 2023

How to set up AD FS authentication? ›

Useful notes for the steps in the video
  1. Step 1: Install Active Directory Federation Services. ...
  2. Step 2: Request a certificate from a third-party CA for the Federation server name. ...
  3. Step 3: Configure AD FS. ...
  4. Step 4: Download Microsoft 365 tools. ...
  5. Step 5: Add your domain to Microsoft 365. ...
  6. Step 6: Connect AD FS to Microsoft 365.
Mar 16, 2023

What authentication protocol does AD FS use? ›

Active Directory Federation Services (ADFS)

ADFS uses a claims-based access-control authorization model. This process involves authenticating users via cookies and Security Assertion Markup Language (SAML). That means ADFS is a type of Security Token Service, or STS.

What is AD FS or pass through authentication? ›

Browsers will not automatically send the credential between systems — with ADFS, the user never sees the sign in page. By definition, PTA means your passwords leave the perimeter of your network. Passthrough auth pretty much means, you'd better support modern auth. Apps that do not support modern auth cannot play.

Is MFA automatically enabled for all the users? ›

MFA is enabled on a per-user basis; however, at this time, users are not automatically enrolled in MFA. To use MFA, users must enroll themselves.

Videos

1. Azure Active Directory Multi Factor Authentication and Security defaults
(Office365Concepts)
2. Setting Up Federation with Azure AD Connect and Active Directory Federated Services (ADFS)
(Atmosera)
3. How to Enable Azure AD Multi-Factor Authentication? #azure #mfa #azurefridays
(BI Consulting Pro)
4. Azure MFA | AZURE MULTI-FACTOR AUTHENTICATION
(MUKESH SINGH)
5. How to upgrade your security with Azure Multi-Factor Authentication
(Microsoft Azure)
6. Azure Active Directory: Decommissioning ADFS
(Microsoft Security)

References

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