This article describes an issue that occurs when you log on to Microsoft Office 365 in Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2. A hotfix is available to resolve this issue. Before you install this hotfix, check out the Prerequisites section.
When you use Group Managed Service Accounts (gMSA) to authenticate on Active Directory Federation Services (AD FS) server, AD FS authentication fails.
The issue occurs because the password for gMSA changes every 30 days automatically. This is the same as a local account.
Hotfix informationA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.
If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
PrerequisitesTo apply this update, you must have update 2919355 installed in Windows 8.1 or Windows Server 2012 R2.
Registry informationTo use the hotfix in this package, you do not have to make any changes to the registry.
Restart requirementYou may have to restart the computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace a previously released hotfix.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.