Multi-Factor Authentication Server versions and address an AD FS Adapter installation issue

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Microsoft Azure Multi-Factor Authentication

On May 13th, 2024, Microsoft released versions and of its MFA Server product that allows organization to add multi-factor authentication to RADIUS-, AD FS-, IIS-based and other on-premises authentication scenarios.


Versions and

MFA Server v8.1.15.1 is intended for  use on:

  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows Server 2016

MFA Server v8.1.16.1 is intended for  use on:

  • Windows Server 2019
  • Windows Server 2022


What’s New

The release notes mention one change. These version address an issue with the Multi-Factor Authentication Active Directory Federation Services (AD FS) adapter installer. This issue prevented successful installations.


Known Issues

Windows Authentication for Remote Desktop Services (RDS) is not supported for Windows Server 2012 R2, and up.


Upgrade considerations

You must upgrade MFA Server and Web Service SDK before upgrading the User Portal and/or AD FS adapter. Read the guidance in the How to Upgrade section in this blogpost for more information.



You can download Azure Multi-Factor Authentication Server and here.
The downloads weigh 145,8 MB and 149 MB, respectively.


Version information

These are versions and of Multi-Factor Authentication Server.
It was signed off on May 13th, 2024.


Existing Azure MFA Server deployments stop working starting September 30, 2024
TODO: Migrate from Azure MFA Server to Azure multi-factor authentication
Multi-Factor Authentication Server version addresses service crashes during activation
Multi-Factor Authentication Server version offers improved migration abilities

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