Ok. So I'm assuming that when you set this policy in the first place, you
did it by running gpedit.msc or some kind of "Local" policy editor? Correct?
If so, then what you did is modify the local GPO that every Windows device
has. If you modified the GPO from AD Users and Computers or from the GPMC,
then you are using a domain-based GPO--which is different than a local one.
If we assume you modified the local GPO, then you can get to that same local
GPO from another machine on the network, as long as you have rights to that
machine where you made the change, by using the method I described below.
Run mmc.exe from a command prompt. Choose Add/Remove Snap-ins from the menu
and then choose the Group Policy Editor snap in. After choosing that snap
in, you're prompted to choose which computer you want to focus on--the local
computer or a remote one. Browse to the machine where you set the policy you
want to change and then load the snap-in. Once its loaded, you can go into
the policy you set and change the shell setting back to whatever you want.
--
Darren Mar-Elia
MS-MVP-Windows Server--Group Policy
Check out
http://www.gpoguy.com -- The Windows Group Policy Information Hub:
FAQs, Whitepapers and Utilities for all things Group Policy-related