DNS and NTFRS problem taking down Exchange

I have 2 DC's all 2003 and exchange 2003

Every week I have to reboot my 1st DC and then my Exchange server for the services to work again for email.

The errors I get from my 1st DC are DNS= Event id 4515 and NTFRS= 13566 and 13560 once

I know I have to delete a copy of a DNS record but I dont want to take down the wrong one. I have screenshots of the ADSI edit for both zones.

Also does this have anything to do with my exchange issue?

Thank You
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trimixdiverAsked:
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mikecrCommented:
Try this to see if NTFRS is really the problem.

http://support.microsoft.com/?kbid=272279
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mikecrCommented:
You might want to check to make sure that your domain controller policy is not becoming corrupted first. This will cause Exchange to have problems starting.
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trimixdiverAuthor Commented:
My DC policy is fine and DCdiag work with no errors on both DC's. Can someone look at my screenshots?
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mikecrCommented:
Are you getting any event errors on the Exchange server?
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trimixdiverAuthor Commented:
Yes I get all of these at the same time 8231,1024,8260,8026.

Should I still delete the extra zone I have in DNS? Will that solve the ntfrs error on the DC?

Thanks
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trimixdiverAuthor Commented:
It looks like my GC DC becomes unavailible to exchange.
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mikecrCommented:
Normally Exchange doesn't start because it can't find itself in AD or permissions are not correct. Before I would delete any DNS zones, I would run Exchange with "setup /domainprep" to see if it fixes any permissions or AD problems first. It would probably be safer.
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trimixdiverAuthor Commented:
Ok
I will give it a shot. I will let you know later today or next week. Happy Easter
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trimixdiverAuthor Commented:
OK I ran domainprep and now I got a NTFRS error 13560, 13562 and 13566. 13560 is what took down Exchange again. This is Ntfrs issue. Please help.
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mikecrCommented:
Was your install of AD and Exchange 2003 running fine and then one day it broke? Did you happen to make any changes to the DC's? Can you post all of the actual events here so that I can see them?
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