Views:
  1. Log in to the Policy Server.
  2. Go to Enterprise Users/Group Users.
  3. Check if the user that you are trying to use to log in on the preboot matches the one that is on Active Directory (e.g. On the Policy Server, the username listed is johndoe but the one in the Active Directory is JohnDoe).
  4. Right-click on the empty pane on the right side of Users then click Add External Bulk Directory.
  5. On the Active Directory User Import window, go to Edit > Connect using Domain and Login using your Active Directory credentials.
  6. Once there, look for the username (JohnDoe) and right-click Add to Group.
  7. Once added, restart the PolicyServer Window Service for the changes to take effect.
  8. Synchronize with your preboot and you should be able to log in using username