|Message:||Exchange Search Indexer has failed to crawl the mailbox (%1) due to an exception (%2).|
This Error event indicates that the Microsoft Exchange Search service did not crawl the mailbox because the search service was unable to log on to the mailbox. The error can occur in the following conditions:
The error means that an index for the mailbox is not created. Because of this error, search will be slower for the affected user. The event description will provide the affected mailbox GUID and the exception that caused the event for the specified mailbox.
To resolve this error, do one or more of the following:
Note If you aren’t already doing so, consider running the tools that 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 mailflow, and better manage disaster-recovery scenarios. Go to the Toolbox node of Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.