How do I change bitlocker password for C: (boot) drive? When I right click on C: drive and choose change bitlocker password or go through control panel, enter old and new password, I get the following error: Group Policy settings do not permit the creation of a password When I go to Edit Group Policy, there is nothing on bitlocker. I also have bitlocker enabled on drive D: I was able to change the password for D: without any issues. So the problem is with the group settings for drive C: