|Message:||%1 (%2) Callback function call %3 ended with error %4 %5.|
This Error event indicates that an Extensible Storage Engine (ESE) callback function returned an error. This error can potentially signify a serious situation in which a backup or restore process has failed. The error message included in the message text of Event ID 904 will vary, depending on the problem encountered. See User Action for some specific causes and resolutions to this error.
To resolve this error, consider the following specific causes and resolutions for this problem:
If you cannot restore your backup after considering the information provided in this article, search the Microsoft Knowledge Base for more information about the specific error codes in this event. If you still cannot resolve this problem, contact Microsoft Product Support Services. For information about how to contact support, visit the Contact Us page of the Microsoft Help and Support Web site.
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.