This utility can restore either or both the Default Domain Policy or the Default Domain Controllers Policy to the state that ...

This utility can restore either or both the Default Domain Policy or the Default Domain Controllers Policy to the state that exists immediately after a clean install. You must be a domain administrator to perform this operation.  WARNING: YOU WILL LOSE ANY CHANGES YOU HAVE MADE TO THESE GPOs. THIS UTILITY IS INTENDED ONLY FOR DISASTER RECOVERY PURPOSES.