Microsoft KB Archive/887428

= DNS records may not be updated successfully over a VPN connection in Windows 2000 Server =

Article ID: 887428

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server

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SYMPTOMS
When you use a Microsoft Domain Name System (DNS) server to update DNS records over a virtual private network (VPN) connection, some DNS records may not be updated successfully.



CAUSE
This issue may occur if one of the following conditions is true:
 * You are using a third-party firewall that has the User Datagram Protocol (UDP) enforcement feature enabled.
 * You are using a third-party firewall that blocks DNS update requests.



RESOLUTION
To resolve this issue, disable the UDP enforcement feature on your third-party firewall or configure your third-party firewall to permit DNS update requests. For information about how to contact a specific hardware or software vendor, click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:

65416 Hardware and software vendor contact information, A-K

60781 Hardware and software vendor contact information, L-P

60782 Hardware and software vendor contact information, Q-Z

Keywords: kb3rdparty kbtshoot kbprb KB887428

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