After installing 12.8 SP1 and applied T6C0011, customer experienced unexpected reboot some times.
According to Microsoft, it seems this is due to drveng.sys.
CA Privileged Identity Manager 12.8 SP1 with RO92100 or related testfix (T6C0011, T6C0013)
Windows 2012 / Windows 2012 R2
Recommended registry key/value was not added described in readme file of the testfix
Add following registry setting of drveng
under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\drveng\Parameters key
add Parameters key if not exist
add following values
DWORD use_wfp_perf value: 1
DWORD use_pre_clone value: 1