%1 (%2) %3Database ‘%4’: Available B-Tree IDs (ObjectIDs) have almost been completely consumed. Freed/unused B-Tree IDs may be reclaimed by performing an offline defragmentation of the database.

Details
Product: Exchange
Event ID: 622
Source: ESE
Version: 8.0
Symbolic Name: ALMOST_OUT_OF_OBJID
Message: %1 (%2) %3Database ‘%4’: Available B-Tree IDs (ObjectIDs) have almost been completely consumed. Freed/unused B-Tree IDs may be reclaimed by performing an offline defragmentation of the database.
   
Explanation

This Warning event indicates that the available B-Tree IDs (ObjectIDs) are almost consumed. Free or unused B-Tree IDs may be reclaimed by performing an offline defragmentation of the database.

Too many objects are being created in the database. If the object limit is reached, ESE event 621 occurs.

   
User Action

To resolve this warning, perform an offline defragmentation of the database.

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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