Athentication Issue With Workgroup Manager


I have a G4 tower running 10.3.9 Server. While I can login and run Server Admin using the admin name and password I created at installation, now Workgroup Manager will open but next to LDAP/, it says "Not Authenticated", even if I login as root. This was not a problem several days ago and can think of no reason why this has happened. I guess the Admin acct. is corrupt but why only with WGM? I've tried repairing permissions, changing the password after booting from the server install disk and making a new local admin acct. but nothing changes. I'll be needing to make changes to my Users and Groups as it is a new school year. Hope you can help, thanks in advance.