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9.4

_msdcs not correct in DNS...just delete?

Asked by TheCleaner in Windows 2003 Server

Tags: _msdcs

I should know the answer to this, dang it, but I don't want to just chance it in production.

The problem is that our _msdcs in DNS is showing as an incorrect DC that is no longer around.

I get this error on dcdiag /test:dns


               TEST: Delegations (Del)
                  Warning: DNS server: tempdc01.domain.com. IP: <Unavailable>
Failure:Missing glue A record

               TEST: Dynamic update (Dyn)
                  Warning: Dynamic update is enabled on the zone but not secure
domain.com.

         Summary of DNS test results:

                                            Auth Basc Forw Del  Dyn  RReg Ext
               ________________________________________________________________
            Domain: domain.com
               tuldc01                      PASS PASS PASS FAIL WARN PASS n/a

         ......................... domain.com failed test DNS


So the delegation test fails because in the forward lookup zone for domain.com, in the _msdcs folder the NS record shows the outdated tempdc01.  It also exists as an NS record in the forward lookup zone for _msdcs.domain.com along with the legitimate NS records.

I seem to recall you can just delete the incorrect entry and AD will repopulate it with the correct values, but maybe I'm smoking something.  I need to change it to the correct DC.

Any guidance/reassurance is appreciated.
[+][-]09/24/06 05:59 AM, ID: 17586742Accepted Solution

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About this solution

Zone: Windows 2003 Server
Tags: _msdcs
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Solution Provided By: Netman66
Participating Experts: 4
Solution Grade: A
 
[+][-]09/22/06 08:57 AM, ID: 17578479Expert Comment

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[+][-]09/24/06 07:12 PM, ID: 17589284Expert Comment

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[+][-]09/26/06 11:15 AM, ID: 17603966Author Comment

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[+][-]09/26/06 06:35 PM, ID: 17606933Author Comment

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