Microsoft KB Archive/927155

Knowledge Base

Crawls of a content source that contains MIME file types are not completed successfully after you upgrade to the original release version of SharePoint Server 2007

Article ID: 927155

Article Last Modified on 5/14/2007

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APPLIES TO

• Microsoft Office SharePoint Server 2007

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Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows registry

SYMPTOMS

Consider the following scenario. You upgrade a server that is running the Beta 2 Technical Refresh version of Microsoft Office SharePoint Server 2007 to the original release version of Microsoft Office SharePoint Server 2007. After the upgrade operation, you add a shared folder to a content source. The shared folder contains MIME file types such as .eml and .nsw files. However, crawls of the content source are not completed successfully. When you view the crawl log, you see that SharePoint Server 2007 does not crawl MIME file types.

CAUSE

This issue occurs if the registry incorrectly references the Mimefilter.dll file that is located in the %systemroot%\Syswow64 folder. The registry should reference the Mimefilt.dll file that is located in the %systemroot%\System32 folder.

RESOLUTION

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

To resolve this issue, modify the registry to reference the correct Mimefilt.dll file. Perform this procedure on each index server in the server farm. To do this, follow these steps:

1. Click Start, click Run, type regedit in the Open box, and then click OK.
2. Perform one of the following actions, as appropriate for your situation:
   • If you are running SharePoint Server 2007 on an x86-based computer, locate and then click the following registry subkey:

     HKEY_CLASSES_ROOT\CLSID\{5645C8C2-E277-11CF-8FDA-00AA00A14F93}\InprocServer32

   • If you are running SharePoint Server 2007 on an x64-based computer, locate and then click the following registry subkey:

     HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{5645C8C2-E277-11CF-8FDA-00AA00A14F93}\InprocServer32

3. Right-click Default, and then click Modify.
4. In the Value data box, type %systemroot%\system32\mimefilt.dll.
5. Click OK, and then exit Registry Editor.

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