Event ID 1097  Windows cannot find the machine account. The Local security Authority cannot be contacted.

Posted on 2006-03-30
Last Modified: 2008-01-09
I have a 2003 multihomed server. It is also a 2nd DNS backup server.  Every week or so I receive an Event ID 1097: Windows cannot find the machine account. The Local security Authority cannot be contacted.  in the event log.  I have to use the netdom resetpwd command and reset the account pw for the dc , then reboot in order for the server to come back up without errors.  The time is correct on all 4 DC in the domain.  Net logon is started on all 4 DC.  All 4 dc have 2 nic cards for access to the 2 networks and FSMO roles. When the error occurs the applications on the server are not accessible for users.  Does anyone know what I can check in order to keep this DC on the network?
Question by:amullee44
    LVL 33

    Accepted Solution

    Active Directory communication fails on multihomed domain controllers

    I usually try, at all costs, to avoid multihoming my DC's..

    Author Comment

    I've been fighting the browse issue for multi-homed dc for some time now.  But budgetary contraints have let to adjusting the IsDomainMaster to No on all DC except the pdc emulator.  The article #272294 , disabling the round robin feature of DNS and readding the entry seemed to do the trick. Also I noticed the Kerberos Key Distrubution service was set to Manual.  I changed that to Automatic, rebooted with the above DNS changes and the machine account has stayed for the past 24 hours.  Thanks again for your help and research.

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