Exchange 2000 user lock out

  • From: <jules.birch@xxxxxxxxxxxxx>
  • To: <exchangelist@xxxxxxxxxxxxx>
  • Date: Fri, 8 Apr 2005 21:56:02 +0100

I have had a problem running Exchange Server 2000 with SP3 on Windows
2000 Server with SP4.
Users cannot connect their Outlook client  to the Server first thing in
the morning.  All Exchange services appeared to be started OK.  After 2
cold restarts  the problem seems to be resolved for now.
The first relevant in entry the System Event log states:-
Access denied attempting to launch a DCOM Server. The server is:
The user is SYSTEM/NT AUTHORITY, SID=S-1-5-18.
Subsequent errors state:-
Registration of the DNS record ' 600 IN A' failed on the DNS server (with IP address %3) with the
following error: 
The DNS server returned an error code given in the Data field.
Any help with resolving this would be greatly appreciated.
Jules Birch

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