HP Storage Essentials SRM 6.0 User Guide for Enterprise Edition and Standard Edition SRM Software (July 2008)

HP Storage Essentials SRM 6.0 User Guide 727
If a provisioning failure has caused the Symmetrix storage system to remain locked, you are alerted
to this situation in Event Manager and on the Properties tab. You may receive a message resembling
the following:
Unable to end device masking session. Symmetrix '000001835005700' may be
locked.