When you try to suspend BitLocker for one or several reboots, you may encounter the following error:
This message appears when you combine the RebootCount parameter with the
It’s because the RebootCount parameter is only available for the Operating System drive.
Probably you tried the following command line:
Get-BitLockerVolume |Suspend-BitLocker -RebootCount 1
If your drives are configured to auto-unlock, you just need to suspend the system drive for the reboot.
Suspend-BitLocker -RebootCount 1 -MountPoint C:
Or if you really want to suspend BitLocker on all drives:
However, in this case, you have to manually resume BitLocker after the reboot: