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Removing AD DNS zone kills exchange

tonkajeep34
tonkajeep34 asked
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Last Modified: 2010-05-18
Hello all,

When we upgraded out NT domain we had a DNS server with a local zone in it. *.IRM when we installed AD we made the domain IRM.LOCAL. Both zones live on the GC only the irm.local is on other DNS servers.

Here's the problem. Exchange see's the GC server as dc1.irm not dc1.irm.local. If i try to remove the .irm zone from the DNS server it stops mail. I want to get rid of the .irm zone to make things cleaner and also i think it maybe causing another issue. If i change the operations master role etc. to another server with the name of dc2.irm.local (with GC) will it allow exchange to work properly and let me delete the .irm zone?

If ya'll need more detail let me know.

TIA

Mike
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Top Expert 2004

Commented:
Hi,

What os/ version of exchange are you running? ie win2k server sp4 /exchange 2k sp3,

Deb :))
Gareth GudgerSolution Architect
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Most Valuable Expert 2014
Top Expert 2014

Commented:
Can you delete the zone and create the DC entries in the irm.local domain in DNS.

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Commented:
Debsyl99 - Yes it's Win2k SP4 with exchange 2k sp3 enterprise. All DCs are at SP4 also.

diggisaur - well that's the funny part, the DC entries are there. everything is there the only thing that really is on the old zone is the typical host records with the (same as parent container) entries. However if i delete the old zone exchange stops working.

I've added a second GC as we are getting ready to replace the original GC hardware but before i do that i want to make sure if i take it down exchange will continue to work


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Commented:
kjman,

Thanks that pretty well did it. i switched it over this weekend and it's working fine.

Mike
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