- A "File in use" error message is received when the administrator tries to edit a specific Group Policy.
- A "File in use" error message is received when the Distributed File System Replication (DFSR) service tries to replicate updates to the Registry.pol file.
Note Depending on results of different operations, Event ID 6321 displays one of the following three possible description messages:
Hotfix informationTo resolve this issue, install this hotfix on the Domain Controller or a client computer that has the Remote Server Administration Tools feature installed.
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: 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 hotfix, you must be running Windows Server 2008 R2 Service Pack 1 (SP1) or Windows Server 2012.Additionally, Windows Server 2008 R2-based or Windows Server 2012-based computer must be a Domain Controller.
Registry informationTo resolve this issue, you have to create the following registry key on the Domain Controller:
- Start Registry Editor. To do this, press WIN+R, type regedit, and then click OK.
- Locate and then click the following registry key:
- On the Edit menu, point to New, and then click DWORD Value.
- Type GroupPolicyForceCloseSysvolFileHandle, and then chick Modify.
- In the value data box, type 1, and then click OK.
- Exit Registry Editor.
- Restart the Domain Controller.
- Any nonzero value will enable this feature.
- You can also apply this hotfix and then create the registry key. You have to restart the Group Policy service on the Domain controller to enable the setting.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: