Stop error message when you retrieve WMI connection statistics for iSCSI after you change the iSCSI configurations on a computer that is running Windows Server 2008 or Windows Vista: “0×00000019 …
Symptoms
On a computer that is running Windows Server 2008 or Windows Vista, you may receive the following Stop error message:
0×00000019 (00000021, parameter2, parameter3, parameter4)
BAD_POOL_HEADERThis behavior occurs when you change the Internet SCSI (iSCSI) configurations on the computer and retrieve some iSCSI connection statistics by using Windows Management Instrumentation(WMI).
NoteThe parameters in this error message vary, depending on the configuration of the computer.Not all “0×00000019″ Stop errors are caused by this problem.
Resolution
The iSCSI driver (Msiscsi.sys) does not manage allocated pool space correctly. This behavior leads to pool corruption. Therefore, when the corrupted pool is accessed, the system triggers the stop code 0×00000019.