TipHKLM\SOFTWARE\Policies\Microsoft\System\
The DNSClient subkey stores entries created when you configure a Group Policy for the Domain Name System (DNS) client. The entries in this subkey are created and maintained by Group Policy and read and interpreted by the DNS service.
Tip
For detailed information about particular Group Policy settings, see the Group Policy Reference (Gp.chm) on the Windows 2000 Resource Kit companion CD.
For general information about Group Policy, see Group Policy in Windows 2000 Help.
To see a table associating policies with their corresponding registry entries, see the Group Policy Reference Table.