Single Sign-On is available for Office 365 users to access SharePoint Online sites in Windows 2012 R2

Applies to: Windows Server 2012 R2 DatacenterWindows Server 2012 R2 StandardWindows Server 2012 R2 Essentials

About this update

Assume that Microsoft Office 365 users access SharePoint Online sites by using Active Directory Federation Services (AD FS) and Microsoft Azure AD. After you install this update on an AD FS server that is running Windows Server 2012 R2, Office 365 users can select the Keep me signed in option when they log on to the SharePoint Online sites for the first time. Users who select this option will not have to input their password the next time they log on. 

How to obtain this update or hotfix

We have released a hotfix for Windows Server 2012 R2 and released an update rollup (recommended) for Windows Server 2012 R2. 

Before you install this hotfix, check the prerequisite of the hotfix. Additional steps of configuration is required to enable this hotfix after the installation.

The update rollup fixes many other issues in addition to the issue that the hotfix fixes. We recommend that you use the update rollup. The update rollup is larger than the hotfix. Therefore, the update rollup takes longer to download.

Update for Windows Server 2012 R2

The following update rollup is available:

Hotfix for Windows Server 2012 R2

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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, go to 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.

Hotfix detail information

To apply this hotfix, you must first install update 2919355 on Windows Server 2012 R2.  For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014
Registry information
To use the hotfix in this package, you do not have to make any changes to the registry.
Restart requirement
You may have to restart the computer after you apply this hotfix.
Hotfix replacement information
This 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.

More Information

For more information about claim rule in AD FS, go to the following Microsoft website:

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates