Tape library is not detected by Windows Server 2003 MediaAgents with STATUS_INVALID_DEVICE_REQUEST error

Article ID: MM0020 Detection operation fails for tape library attached to Windows Server 2003 host

Symptom

Condition may exist when certain Windows updates and service packs are installed on Windows Server 2003 MediaAgents.  Updates cause detection of tape libraries to fail.

Cause

This issue occurs because of a logic error in the Storport.sys process that prevents the driver from returning the correct data for SCSI bus 8.

Resolution

Apply the Windows hot fix as described in the following Microsoft Knowledge Base article:

"Error returned by the IOCTL_SCSI_GET_INQUIRY_DATA operation on a Windows Server 2003-based computer: 'STATUS_INVALID_DEVICE_REQUEST'", http://support.microsoft.com/kb/943545/en-us