11257 » Register DNS records in a Single-Label Domain (03-August-07)

Q. How can I force network clients to register DNS records in a single-label domain?

A. Normally, Windows XP and Windows 2000 (SP4 or later) clients won't register DNS records in a single-label DNS domain; however, you can enable this functionality by making the following registry change:

1. Start the registry editor (regedit.exe)
2. Move to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DnsCache\Parameters for Windows 2000/XP or HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\DNSClient for Windows Server 2003/Vista
3. From the Edit menu select New - DWORD value
4. Enter a name of UpdateTopLevelDomainZones and press Enter
5. Double click the new value and set to 1. Click OK
6. Restart the computer

—John Savill

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