An error message unexpectedly appears after you create a mirrored volume on a computer that is running Windows Server 2008 or Windows Vista: “Stop 0x0000000a IRQL_NOT_LESS_OR_EQUAL”
After you create a mirrored volume on a computer that is running Windows Server 2008 or Windows Vista, you unexpectedly receive the following Stop error message:
Stop 0x0000000a (parameter1, parameter2, parameter3, parameter4)
Note: The parameters of the error message depend on the configuration of the computer.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB977287.