The database engine has reached a checkpoint depth of %1% (%2 logfiles out of a maximum of %3) for storage group ‘%4’.

Details
Product: Exchange
Event ID: 9788
Source: MSExchangeIS
Version: 8.0
Symbolic Name: msgidJetCheckpointDepthWarning
Message: The database engine has reached a checkpoint depth of %1% (%2 logfiles out of a maximum of %3) for storage group ‘%4’.
   
Explanation

This Warning event indicates that the checkpoint for the storage group has reached or exceeded 66 percent of the maximum of uncommitted log files. The maximum for a Mailbox server is 5,120 log files. The maximum for a Transport Hub server is 65,536 log files. If you reach the maximum of 100 percent, the database will dismount. The checkpoint depth warning threshold is hard-coded in Microsoft® Exchange Server 2007.

   
User Action

To resolve this error, follow one or more of these steps:

  • If you have confirmed that this error is caused by a transient condition on your server, you may ignore this error.

  • Contact Microsoft Product Support Services if either of the following conditions is true:

    • You cannot determine the cause of this error.

    • The condition persists.

If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.

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