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OLD Minimum RunTime for a public folder store is non-default

[This topic is intended to address a specific issue called out by the Exchange Server Analyzer Tool. You should apply it only to systems that have had the Exchange Server Analyzer Tool run against them and are experiencing that specific issue. The Exchange Server Analyzer Tool, available as a free download, remotely collects configuration data from each server in the topology and automatically analyzes the data. The resulting report details important configuration issues, potential problems, and nondefault product settings. By following these recommendations, you can achieve better performance, scalability, reliability, and uptime. For more information about the tool or to download the latest versions, see "Microsoft Exchange Analyzers" at http://go.microsoft.com/fwlink/?linkid=34707.]  

Topic Last Modified: 2011-01-24

The Microsoft® Exchange Best Practices Analyzer Tool reads the following registry entry to determine whether the minimum run time for online defragmentation has been modified from its default setting:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeIS\<ServerName>\Public-<PublicFolderStoreGUID>\OLD Minimum RunTime

If the Analyzer tool finds that the OLD Minimum RunTime value is present, a non-default configuration message is displayed. The OLD Minimum RunTime value specifies the minimum period of time in seconds that online defragmentation runs.

importantImportant:
This article contains information about how to edit the registry. Before you edit the registry, make sure that you understand how to restore the registry if a problem occurs. For information about how to restore the registry, view the "Restore the Registry" Help topic in Registry Editor (Regedit.exe or Regedt32.exe).

  1. Open Registry Editor.

  2. Locate the following subkey: HKLM\System\CurrentControlSet\Services\MSExchangeIS\<ServerName>\Public-<PublicFolderStoreGUID>

  3. Delete the OLD Minimum RunTime value.

  4. Close Registry Editor.

  5. Restart the Microsoft Exchange Information Store service for the change to take effect.

Before you edit the registry, and for information about how to edit the registry, see Microsoft Knowledge Base article 256986, Windows registry information for advanced users.

 
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