Windows Server 2008-based or Windows Vista Service Pack 1-based systems do not generate a dump file if the system partition is a mirrored volume
In Windows Server 2008-based or Windows Vista Service Pack 1 (SP1)-based systems, if the system partition is a mirrored volume, and a system-critical issue occurs, the following behavior occurs:
- A blue screen is not displayed.
- A memory dump file is not generated.
Additionally, the following event is logged in the System log:
Log Name: System Source: volmgr Event ID: 45 Task Category: None Level: Error Keywords: Classic Description: The system could not successfully load the crash dump driver.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB958933.