Hi
You can get this error message if the SRV records are creating on the DNS
server for the domain, or the client is not configured to use the DNS
server for the domain.
816106 How to Verify an Active Directory Installation in Windows Server 2003
http://support.microsoft.com/?id=816106
Remember the XP clients have to be configured to use the SBS Server for
DNS. The default for SBS is to install DHCP and configure it to do so, but
I'm not sure if your client is a DHCP client or not.
Thank you,
Alan Wood[MSFT]
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