DNS Client instead of DHCP Service may be registering updates
We've had multiple reports that the DNSClient service, since Windows Vista (including Windows Server 2008, 2008 R2, and Windows 7) is actually registering the records for clients, even in a DHCP use situation. This is different from how it was done in Windows XP and Windows Server 2003. I have logged a documentation bug on this as well as contacted the responsible writer. Until this is resolved in the document, I will relay what has been brought in conflict with the information above: