Hi all: I am in the process of testing our ZCM 10 on a Windows XP VM running Client 4.9.1 sp5 W/psp6. I have begun to get an error while trying to unlock the workstation:

An unexpected error occured while .....
Try to unlock the workstation again, or select a different credential type for unload.
Error -1497 (0xFFFFFFA27)

Any suggestions? Thanks, Chris.