SBS 2003 Lost all the Security Policies.

Hi,

I have a SBS 2003 Premium that had a strange (for me) and a severe problem.
For no reason that i can understand, it lost all the security policies.
For example, if i go to Default Domain Controller Security Policy or Domain Security Policy it is clean.

My main problem is exchange, it stopped working too has Exchange System Attendant can't start always giving the event id 1005 with the message:

"Unexpected error Logon failure: unknown user name or bad password. Facility: Win32 ID no: 8007052e Microsoft Exchange System Attendant occurred. "

I've tried to recreate all the Default Domain Controller Security Policies, re-run /forestprep and /domainprep to try to re-apply all the
needed setting for it to run. But it's not working.

One other thing, is that no other machine or server can list or broswe this machine shares, sysvol, Clientapps. Everytime i try it get the error "Target logon account is invalid". But locally it works.

I tend to suspect that i still need to fix some security settings on the server but how can i do that? Any help on this?

Thank you.

Nando
.

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