Question

Active Directory - DNS entries missing after installation

Asked by: DrStalker



I've just installed active directory on a windows 2003 system, and installed DNS along with AD - but the DNS is missing a lot of important entries that mean the AD is not working. This is a new domain in a new forest.

Looking in the DNS properties I can see the mydomain.local zone, which only contains an A record. Uder that in the tree view I can see a folder called _msdcs, but the only entry here is a single NS entry with the server's IP address.

The _rcp, _udp, and other entries are all missing.

How can I recreate the DNS entries for this AD domain?

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Asked On
2009-10-12 at 20:17:10ID24806616
Topics

Active Directory

,

Domain Name Service (DNS)

,

Windows 2003 Server

Participating Experts
2
Points
500
Comments
6

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Answers

 

by: hogwildcomPosted on 2009-10-12 at 20:23:54ID: 25556737

Is your Windows 2003 Server pointing to itself or another Domain controller in the same domain for DNS resolution?  If your server is pointing to a DNS server that was not created for your Active Directory domain, then it cannot update it's dns entries.  If this was the case when you promoted the server the a domain controller, I would recommend setting your DNS settings under Network Properties/TCPIP/DNS (primary and secondary DNS settings) to your Active Directory DNS servers only, then running DCPromo to promote your server.
Your servers (and clients) need to point to AD DNS servers only.
Your AD DNS servers can the be set to forward queries to external DNS servers for resolution of public internet domains.

 

by: DrStalkerPosted on 2009-10-12 at 20:25:55ID: 25556740

The DNS Server points to itself as the DNS server; the DNS was installed along with the AD.  When I have done this previoulsy this has installed the proper DNS entries, but in this case all the service records are missing (and posisbly other things, I havn't checked what else should be in there)

 

by: BasheerptPosted on 2009-10-12 at 20:38:53ID: 25556784

Do you have any errors in event viewer related to DNS?
May be your DNS is working and the Dynamic update is disabled. Try to do an 'nslookup' query from a client to test your dns. Goto a workstation in the network, type in a command prompt 'nslookup'. then enter your domain name. see if its responding its IP.

Regards

 

by: hogwildcomPosted on 2009-10-12 at 20:49:50ID: 25556816

Try stopping and starting the NetLogon service.  This will cause your server to attempt to reregister it's DNS settings.
Try running "netdiag /fix" from command prompt on the domain controller (remove "")
Try running "dcdiag /test:dns" from the command prompt on the domain controller (remove "")

Consult this document:  http://support.microsoft.com/kb/241505
This EE discussion may also assist you:  http://www.experts-exchange.com/Networking/Q_20872077.html

As a last resort... Uninstall DNS on the domain controller and reinstall it again (make sure to choose that it should store it's zone in AD).

 

by: DrStalkerPosted on 2009-10-12 at 21:22:45ID: 25556936

Basheerpt> The DNS service is working, it's just missing the needed entries.  From a client I can look up any thing that it does have an entry for.

Working through hogwildcom's suggestions now.

 

by: DrStalkerPosted on 2009-10-12 at 21:59:11ID: 31640369

netdiag /fix put all the entries back in.

DNS test . . . . . . . . . . . . . : Failed
    [FIX] re-register DC DNS entry '_ldap._tcp.mydomain.local.' on DNS server '127.0.0.1' succeed.
...

20120131-EE-VQP-002

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