Group membership is emptied on a Windows Server 2008 R2-based or Windows Server 2008-based RODC

Applies to: Windows Server 2008 R2 Service Pack 1Windows Server 2008 R2 DatacenterWindows Server 2008 R2 Enterprise More

Symptoms


Consider the following scenario in an Active Directory domain environment:
  • You have a read-only domain controller (RODC) that is running Windows Server 2008 R2 Service Pack 1 or Windows Server 2008 Service Pack 2.
  • You create a universal group in the domain and then add some members to the group.
  • You manually force replication of the change to the RODC.
  • You convert the universal group into a global domain group or a local domain group.
  • You manually force replication of the change to the RODC again.
In this scenario, the membership of the group is emptied on the RODC.

Notes
  • To manually update changes on the RODC, use the repadmin /replicate command.
  • This issue does not occur on Windows Server 2008 R2-based or Windows Server 2008-based read/write domain controllers (RWDCs).
  • This issue does not occur if you convert the group back into a universal group and then manually update the change on the RODC.

Cause


This issue occurs because member links are removed incorrectly from the RODC when they are removed from the global catalog (GC) during the conversion from a universal group into a global or local domain group.

Resolution


To resolve this issue, we have released a hotfix that has prerequisites and a restart requirement.

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: 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, you must install Service Pack 1 for Windows Server 2008 R2. Or, install Service Pack 2 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.

Workaround


To work around this issue, perform a full AD replication on all affected RODCs.

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 about the repadmin /replicate command, visit 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

Additional file information

Additional file information for Windows Server 2008 R2

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