XenApp 6.5 and PVS 7.1 SP3.
Sometimes after reboot the XA-servers are having problems with Group Policy settings etc. We have found that when this happens, Gpresult /R shows:
This computer is member of the following security Groups:
On a working target device It show the correct computer-name above. On the malfunctioning it shows the computer name from the target device used when the vdisk was last updated.
Another reboot often solves the problem temporary, but then it happens again sometimes after furhter reboots.