DNS server does not update (A) record for Win XP computer

I recently setup a DHCP server on my network.  My DNS server (A) records still show the computers old IP address for all Win XP pc, but shows the correct IP address for Win 2K computers.

I've tried ipconfig /registerdns with no luck.  The only solution I have found is to rejoin the domain and everything works.
dansaggAsked:
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Computer101Connect With a Mentor Commented:
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divinewind80Commented:
Just to confirm, what does one of these XP's show when you do an IPCONFIG /ALL?

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dansaggAuthor Commented:
All IP configuration is correct.

I'm starting to think it's a security issue between DHCP and DNS servers
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bluetabCommented:
What are you using for a DHCP server and DNS server?
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dansaggAuthor Commented:
Windows 2003 server.  My primary domain controller
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bluetabCommented:
I'm confused by this comment "I'm starting to think it's a security issue between DHCP and DNS servers".  You are using your 2003 server as both the DHCP and DNS server correct?  Make sure you have also removed or disabled the OLD DHCP server.  

Next, delete the DNS information of the XP machines from the DNS Server then do an "ipconfig /release" and "ipconfig /renew" on the XP machine.  Check the DNS server now to see if the settings are correct.  
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dansaggAuthor Commented:
I am using the same Windows 2003 server for both DNS and DHCP.  I was thinking the DHCP does not have privileges to make changes to DNS.

I get "Access is denied" message when I try either one: release or renew.
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MSE-dwellsCommented:
Have you tried temporarily permitting non-secure updates, doing so will allow you to better isolate the root cause.
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bluetabCommented:
You get an "access is denied" when doing an IPCONFIG /RELEASE from the workstation?  Make sure you are logged in as an administrator and try again.  Also, please do an IPCONFIG /ALL and post the information here so that we may troubleshoot further.
Thanks
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dansaggAuthor Commented:
I solved the problem.

Windows XP was holding the old DNS server IP in the registry under "HKEY_LOCAL_MACHINE\software\policies\microsoft\windows nt\dns server\name server"

If you clear that key and ipconfig /registerdns all problems are solved
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bluetabCommented:
dansagg, thank you for posting the solution
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