Windows: Reset Default Domain Policy and Default Domain Controllers Policy

If it becomes necessary to reset Default Domain Policy and Default Domain Controllers Policy to its original state, as it was when installing the Active Directory role, use the "dcgpofix" utility:

Restore Default Domain Policy to its original state:
dcgpofix /ignoreschema /target:Domain

Restore Default Domain Controllers Policy to its original state:
dcgpofix /ignoreschema /target:DC