Microsoft KB Archive/251370

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Windows 2000 Enables DDNS Registration by Default

Article ID: 251370

Article Last Modified on 2/28/2007


  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition

This article was previously published under Q251370


Windows 2000 Network and Dial-up Connections attempts to register dynamic Domain Name System (DDNS) "A" records with the DNS server indicated in the connection's properties (or obtained from a DHCP server) by default.

In most cases in which a Windows 2000 client dials into an Internet service provider (ISP), you should disable this option to avoid creating unnecessary traffic and using resources on the ISP's DNS server.

You should also disable this option when a Windows 2000 client dials into a Microsoft Windows NT 3.51 or 4.0-based Remote Access Services (RAS) server, because these operating systems do not support DDNS.


To disable automatic DDNS registration attempts on the Windows 2000-based computer:

  1. Right-click My Network Places on the desktop, and then click Properties.
  2. Right-click the icon for the appropriate connection, and then click Properties.
  3. On the Networking tab, click the Internet Protocol (TCP/IP) entry under Components checked are used by this connection, and then click Properties.
  4. Click Advanced.
  5. Click the DNS tab.
  6. Click to clear the Register this connection's address in DNS check box.
  7. Click OK.

The next time you dial the connection, the client does not attempt to register any records with the DNS server.

Note that this only disables the DHCP client from registering with DDNS. If you are using a statically assigned address, this setting has no effect.


This behavior is by design.

Additional query words: dun

Keywords: kbdialup kbenv kbprb KB251370