Stop error message on Windows Server 2012-based computer: "DRIVER_IRQL_NOT_LESS_OR_EQUAL" or "USER_MODE_HEALTH_MONITOR"

Applies to: Windows Server 2012 DatacenterWindows Server 2012 DatacenterWindows Server 2012 Essentials

Symptoms


On a Windows Server 2012-based computer, you receive a Stop error message that is similar to one of the following:

Your PC ran into a problem and needs to restart.  We're just colleting some error info, and then we'll restart for you. (0% complete)
If you would like to know more, you can search online later for this error:  DRIVER_IRQL_NOT_LESS_OR_EQUAL

Or

Your PC ran into a problem and needs to restart.  We're just colleting some error info, and then we'll restart for you. (0% complete)
If you would like to know more, you can search online later for this error:  USER_MODE_HEALTH_MONITOR


Note: Not all "DRIVER_IRQL_NOT_LESS_OR_EQUAL" and "USER_MODE_HEALTH_MONITOR" errors are caused by this issue.

Cause


This problem occurs with HP Smart Array SCSI or SAS/SATA Controllers driver HpCISSS2 driver version 62.26.0.64.

Resolution


To resolve this problem, you need to downgrade the HPCISSS2 driver to 62.24.2.64. 

The HPCISSS2.SYS version 62.24.2.64 is available here: http://www.hp.com/swpublishing/MTX-9175345236064183975c0c817f

More Information


This blue screen error occurs because of a portion of the Smart Array firmware that deals with 64-bit command submissions. HP Windows Server 2012 HPCISSS2.SYS driver Version 62.26.0.64 exposes this error condition because it is the first driver to enable 64-bit command addressing feature support.

HP Customer Advisory is located here