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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.

Symptoms

When you use Group Managed Service Accounts (gMSA) to authenticate on Active Directory Federation Services (AD FS) server, AD FS authentication fails.

Cause

The issue occurs because the password for gMSA changes every 30 days automatically. This is the same as a local account.

Resolution

Hotfix information

A 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:

http://support.microsoft.com/contactus/?ws=supportNote 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.

Prerequisites

To apply this update, you must have update 2919355 installed in Windows 8.1 or Windows Server 2012 R2.

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.

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8.1 and Windows Server 2012 R2 file information and notes

Important Windows 8.1 hotfixes and Windows Server 2012 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1/Windows Server 2012 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.17 xxx

    Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

    RTM

    GDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Kerberos.dll

6.3.9600.17668

806,400

28-Jan-2015

01:16

x86

For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Kerberos.dll

6.3.9600.17668

991,744

28-Jan-2015

01:38

x64

Kerberos.dll

6.3.9600.17668

806,400

28-Jan-2015

01:16

x86

For all supported Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Kerberos.dll

6.3.9600.17668

664,576

28-Jan-2015

00:59

Not Applicable

Additional file information

Additional file information for Windows 8.1 and for Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1

File name

X86_5690c39f18a8d72e963458c8dc26ad53_31bf3856ad364e35_6.3.9600.17668_none_44064644dd2a0f0e.manifest

File version

Not Applicable

File size

705

Date (UTC)

28-Jan-2015

Time (UTC)

15:36

Platform

Not Applicable

File name

X86_microsoft-windows-security-kerberos_31bf3856ad364e35_6.3.9600.17668_none_7b90319ccc5363c6.manifest

File version

Not Applicable

File size

47,997

Date (UTC)

28-Jan-2015

Time (UTC)

03:17

Platform

Not Applicable

Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File name

Amd64_0516fb6909e0f6cb5770a4e5046f353b_31bf3856ad364e35_6.3.9600.17668_none_82aeb6e9332948fc.manifest

File version

Not Applicable

File size

709

Date (UTC)

28-Jan-2015

Time (UTC)

15:36

Platform

Not Applicable

File name

Amd64_b3b2367166ba255e8f2aa3abf5d431d6_31bf3856ad364e35_6.3.9600.17668_none_6301df40ad6a9306.manifest

File version

Not Applicable

File size

709

Date (UTC)

28-Jan-2015

Time (UTC)

15:36

Platform

Not Applicable

File name

Amd64_microsoft-windows-security-kerberos_31bf3856ad364e35_6.3.9600.17668_none_d7aecd2084b0d4fc.manifest

File version

Not Applicable

File size

48,001

Date (UTC)

28-Jan-2015

Time (UTC)

04:09

Platform

Not Applicable

File name

Wow64_microsoft-windows-security-kerberos_31bf3856ad364e35_6.3.9600.17668_none_e2037772b91196f7.manifest

File version

Not Applicable

File size

37,746

Date (UTC)

28-Jan-2015

Time (UTC)

03:16

Platform

Not Applicable

Additional files for all supported Windows RT 8.1

File name

Arm_d8fc5ce863a5f7d5f88075714cebb168_31bf3856ad364e35_6.3.9600.17668_none_d1e15cc8ad0a64b3.manifest

File version

Not Applicable

File size

705

Date (UTC)

28-Jan-2015

Time (UTC)

15:36

Platform

Not Applicable

File name

Arm_microsoft-windows-security-kerberos_31bf3856ad364e35_6.3.9600.17668_none_7b92a3f4cc50828c.manifest

File version

Not Applicable

File size

47,997

Date (UTC)

28-Jan-2015

Time (UTC)

02:23

Platform

Not Applicable



Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

See the terminology that Microsoft uses to describe software updates.

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