Knowledge Base

Overriding Automatic WINS and DNS Server Assignment for RAS/DUN Clients

Article ID: 205247

Article Last Modified on 11/1/2006

APPLIES TO

This article was previously published under Q205247
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

SUMMARY

By default, a client dialing into a RAS server uses the WINS/DNS servers defined in the RAS server's configuration. You can override these settings by modifying registry values.

MORE INFORMATION

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

The following parameters appear in the registry only during an active connection to a RAS server.

Change this parameter to override the primary WINS server assigned by RAS to clients:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\adaptername\ ParametersRemoteAccess\Parameters\IP

Value Name: WINSNameServer Value Type: REG_SZ (number string)
Valid Range: valid IP address (for example, 192.168.20.30)
Default: Blank
Description: This parameter controls whether Windows NT assigns an alternate primary WINS server to DUN/RAS clients.
This parameter defaults to 0.0.0.0 or false.

Change this parameter to override the secondary WINS server assigned by RAS to clients:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\adaptername \ParametersRemoteAccess\Parameters\IP

Value Name: WINSNameServerBackup
Value Type: REG_SZ (number string)
Valid Range: valid IP address (for example, 192.168.50.40)
Default: Blank
Description: This parameter controls whether Windows NT assigns an alternate secondary WINS server to DUN/RAS clients.
This parameter defaults to 0.0.0.0 or false.

Change this parameter to override the DNS server(s) assigned by RAS to clients:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\adaptername\ ParametersRemoteAccess\Parameters\IP

Value Name: DNSNameServers
Value Type: REG_MULTI_SZ (multiple number string)
Valid Range: valid IP address (for example, 192.168.60.41 192.168.70.44)
Default: Blank
Description: This parameter controls whether Windows NT assigns an alternate DNS server to DUN/RAS clients.
This parameter defaults to 0.0.0.0 or false.

REFERENCES

For additional information, please click the article numbers below to view the articles in the Microsoft Knowledge Base:

160699 Understanding DHCP IP Address Assignment for RAS Clients

200211 DUN Clients Do Not Receive DNS Domain Name over RAS/RRAS

For more information, please see the "Windows NT Networking Supplement," Appendix A, page 315 on IP parameters. This is included as part of the original documentation for Windows NT 4.0.

Additional query words: wins RAS

Keywords: kbenv kbinfo kbnetwork KB205247


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