Windows 2003 DNS server promote - demote order

I'm migrating an NT domain to Windows 2003 with AD.  The NT box acting as DNS server will be removed, but I would like to leave it active so users can continue to log into the NT domain while I complete the setup of the new servers.  

I've already installed DNS service (without AD) on the new W03 machine and created secondary forward and reverse lookup zones, setting the NT box to forward to this new secondary server.  I want to promote the W03 DNS server to primary DNS with AD and demote the NT box to secondary DNS server.  

1:  Can an NT server be a secondary DNS server if the primary DNS server has AD integrated?
2.  Which machine should I change first?  Should I demote first (so briefly both are secondary) or promote first (causing both to be primary briefly)?

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Chris DentPowerShell DeveloperCommented:

1. Yes - that's no problem. Ensure you allow Zone Transfers from the 2003 Server to the NT Server.

The only potential problem is the Service Records in the zone, while it should be possible to transfer them to the NT server it's also possible the NT Server won't be able to answer requests for Service records. I'll try and check this if I can find documentation on NT DNS.

2. You cannot have a Secondary without a Primary... so promote the 2003 to Primary before recreating the NT version as Secondary.



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cathynAuthor Commented:
Thanks, Chris.

I've already been able to transfer the records and populate the 2003 DNS server by creating empty zones on 2003 and then setting the NT DNS server to forward to the 2003.  From what I've read can change zone type to promote.  Hadn't thought about ongoing requests for Service records.  Good point.
Chris DentPowerShell DeveloperCommented:

It's not such a bad idea to have a backup. But without another Domain Controller around for AD it's going to be of limited use. It will still allow access to the Internet though.

cathynAuthor Commented:
Thanks, Chris.  With your help, I've already promoted and demoted the dns servers.  I'm actually setting up two 2003 servers both as DCs, which should meet the AD needs in our size office.

Chris DentPowerShell DeveloperCommented:

Sounds great :)

Glad I could help.

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Windows Server 2003

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