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Article ID: 976424 - Last Review: November 19, 2012 - Revision: 5.0

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Symptoms

You perform an authoritative restore on the krbtgt account in a Windows Server 2008-based or in a Windows Server 2008 R2-based domain. After you perform this operation, the kpasswd protocol fails and generates a KDC_ERROR_S_PRINCIPAL_UNKNOWN error code. Additionally, you may be unable to set the password of a user by using the kpasswd protocol. Also, this issue blocks kpasswd protocol interoperability between the domain and a Massachusetts Institute of Technology (MIT) realm. For example, you cannot set the user password by using the Microsoft Identity Lifecycle Manager during user provisioning.

Note The krbtgt account is used for Kerberos authentication. The account cannot be used to log on to a domain.


You may experience additional symptoms in a Windows Server 2012-based server cluster. Assume that you try to set the password for the cluster computer object in a Windows Server 2012-based server cluster. Additionally, assume that there are Windows Server 2008-based or Windows Server 2008 R2-based domain controllers in the environment. In this situation, you receive the following error message:
CreateClusterNameCOIfNotExists (6783): Unable to set password on <ClusterName$>
To resolve this issue, apply this hotfix on the Windows Server 2008-based or Windows Server 2008 R2-based domain controllers, and then create the Windows Server 2012-based server cluster.

Note You do not need to apply this hotfix if you have Windows Server 2008 R2 Service Pack 1 installed..

Cause

When a user requests a ticket for the Kpasswd service, a flag is incorrectly set in the Kerberos ticket-granting service (TGS) request for the Kpasswd service. This behavior causes the Key Distribution Center (KDC) to incorrectly build a new service name. Therefore, an incorrect service name is used, and the KPasswd service fails.

Note The expected behavior is that the Key Distribution Center (KDC) directly copies the correct service name from the Kerberos ticket-granting tickets (TGTs).

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 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, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
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.

Prerequisites

To apply this hotfix, your computer must be running Windows Server 2008 Service Pack 2 (SP2) or Windows Server 2008 R2. Additionally, the computer must have the Active Directory Domain Services (AD DS) server role installed.

For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
968849  (http://support.microsoft.com/kb/968849/ ) How to obtain the latest service pack for Windows Server 2008

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

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 Server 2008 file information notes
Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista" 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, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.0.600 2 . 22xxxWindows Server 2008SP2LDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 and for Windows Vista" section. MUM files and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. 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 Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Kdcsvc.dll6.0.6002.22313312,83215-Jan-201019:56x86
Kdcsvc.mofNot Applicable5,30003-Apr-200921:47Not Applicable
For all supported x64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Kdcsvc.dll6.0.6002.22313406,52815-Jan-201019:49x64
Kdcsvc.mofNot Applicable5,30003-Apr-200921:07Not Applicable
Windows Server 2008 R2 file information notes
Important Windows 7 hotfixes and Windows Server 2008 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 7/Windows Server 2008 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 MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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 x64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Kdcsvc.dll6.1.7600.20768430,08030-Jul-201005:09x64
Kdcsvc.mofNot Applicable5,30010-Jun-200921:01Not Applicable

Status

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, click the following article number to view the article in the Microsoft Knowledge Base:
968140  (http://support.microsoft.com/kb/968140/ ) The kpasswd protocol fails with a KDC_ERR_S_PRINCIPAL_UNKNOWN error after you perform an authoritative restore on the krbtgt account in a Windows Server 2008 domain
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows Server 2008

Additional files for all supported x86-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameUpdate.mum
File versionNot applicable
File size2,253
Date (UTC)19-Jan-2010
Time (UTC)08:10
PlatformNot applicable
File nameX86_d0f3d955d2b5768a71aff47151566751_31bf3856ad364e35_6.0.6002.22313_none_638710039e605b6e.manifest
File versionNot applicable
File size720
Date (UTC)19-Jan-2010
Time (UTC)08:10
PlatformNot applicable
File nameX86_microsoft-windows-k..distribution-center_31bf3856ad364e35_6.0.6002.22313_none_8e201173aa8a3193.manifest
File versionNot applicable
File size42,276
Date (UTC)16-Jan-2010
Time (UTC)01:16
PlatformNot applicable
Additional files for all supported x64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameAmd64_91f846b3bad6ae4dbddb26da25d7ef85_31bf3856ad364e35_6.0.6002.22313_none_b544072e4ea8e655.manifest
File versionNot applicable
File size724
Date (UTC)19-Jan-2010
Time (UTC)08:10
PlatformNot applicable
File nameAmd64_microsoft-windows-k..distribution-center_31bf3856ad364e35_6.0.6002.22313_none_ea3eacf762e7a2c9.manifest
File versionNot applicable
File size42,320
Date (UTC)16-Jan-2010
Time (UTC)01:09
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,269
Date (UTC)19-Jan-2010
Time (UTC)08:10
PlatformNot applicable

Additional file information for Windows Server 2008 R2

Additional files for all supported x64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_6690add2dc1b7c06f724dbb33e5059e6_31bf3856ad364e35_6.1.7600.20768_none_b47174a5a615abf4.manifest
File versionNot Applicable
File size724
Date (UTC)30-Jul-2010
Time (UTC)07:34
PlatformNot Applicable
File nameAmd64_microsoft-windows-k..distribution-center_31bf3856ad364e35_6.1.7600.20768_none_e84efd2ac6fc94f5.manifest
File versionNot Applicable
File size35,825
Date (UTC)30-Jul-2010
Time (UTC)05:54
PlatformNot Applicable
File versionNot Applicable
File size1,699
Date (UTC)30-Jul-2010
Time (UTC)07:34
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size1,700
Date (UTC)30-Jul-2010
Time (UTC)07:34
PlatformNot Applicable

Applies to
  • Windows Server 2008 Service Pack 2, when used with:
    • Windows Server 2008 Datacenter without Hyper-V
    • Windows Server 2008 Enterprise without Hyper-V
    • Windows Server 2008 Standard without Hyper-V
    • Windows Server 2008 Datacenter
    • Windows Server 2008 Enterprise
    • Windows Server 2008 Standard
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Standard
Keywords: 
kbexpertiseadvanced kbfix kbautohotfix kbsurveynew kbqfe KB976424
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