GC server is failing to replicate due to loss of connection to main GC server at head office.
Users can now not log into shares in the local site or head office due to password sync issues.
can someone give best method to get the local server replication back up and talking with the head office server
DNS seems okay and all servers can be pinged by DNS name, main issue is passwords no administrator accounts . iv tried to remove the server using DCpromo and it fails with invalid password. iv tried a few other options which all have failed.
any advise on how to resolve this would be appreciated.