Microsoft DNS/DHCP using DDNS - Domain Suffix issue

Posted by Samuurai on Server Fault See other posts from Server Fault or by Samuurai
Published on 2009-10-20T17:53:17Z Indexed on 2010/04/14 15:33 UTC
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I have an issue with our Microsoft DNS server, we're getting the dreaded "DNS Update Failed" in the DHCP logs.

We have two forward lookup zones, blah.com and somethingelse.com - blah.com is the one I want the workstations/DHCP to dynamically update.

However, I can only get it to work if I specify blah.com as the domain suffix in the network connection properties. I can think of two possible solutions, but have no idea how to implement them or if they're possible:

1) Designate a blah.com as the "default" zone somehow on the DNS server, so all updates are sent to that zone unless the client's domain suffix is somethingelse.com

2) Use DHCP option 15, which sets the domain suffix. - We're currently doing that, but it doesn't seem to take it into account when updating DNS.

Can anyone please shed some light? Thank you.

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