On Mon, 10 Jan 2005 15:03:00 -0600, Stephan Barr <bdtsb@xxxxxxxxxxxxxxxx> wrote: > http://www.MSExchange.org/ > > > > Background: > > > > Windows 2000 SP4; Exchange 2000 V 6.0 Build 6249.4 SP3; DC; SMSMSE > 4.5.4.743. > > > > We lost power a few minutes ago and discovered the hard way a UPS was bad. > As a result the Exchange server went down. After restart the server seems > fine and is receiving email but no domain users can authenticate to the > Exchange server. This machine is a DC. Additionally a domain admin > account I usually use to manage the Exchange server is Event ID 529 (bad > username or password). I can login with another domain admin account just > fine. All the domain user accounts are denied with EventID 529. Ideas? Is this the only DC? What's in your event logs? ...D