Help and Support
 

powered byLive Search

How To Enable TCP/IP Forwarding in Windows Server 2003

View products that this article applies to.
Article ID:323339
Last Review:December 3, 2007
Revision:7.5
This article was previously published under Q323339
On This Page

SUMMARY

By default, TCP/IP forwarding is turned off (disabled) in Windows Server 2003. This article describes how to enable TCP/IP forwarding on a Windows Server 2003-based computer.

Back to the top

More Information

Enabling TCP/IP Forwarding

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 (http://support.microsoft.com/kb/322756/) How to back up and restore the registry in Windows
1.Start Registry Editor (Regedit.exe).
2.Locate and click the following key in the registry:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
3.Set the following registry values:

Value Name: IPEnableRouter
Value type: REG_DWORD
Value Data: 1

NOTE: A value of 1 turns on (enables) TCP/IP forwarding for all network connections installed and used by this computer.
4.Quit Registry Editor.

Back to the top

APPLIES TO
•Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
•Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
•Microsoft Windows Server 2003, Standard Edition (32-bit x86)
•Microsoft Windows Server 2003, Web Edition
•Microsoft Windows Server 2003, 64-Bit Datacenter Edition
•Microsoft Windows Server 2003, Enterprise x64 Edition
•Microsoft Windows Small Business Server 2003 Standard Edition
•Microsoft Windows Small Business Server 2003 Premium Edition

Back to the top

Keywords: 
kbenv kbhowtomaster kbnetwork KB323339

Back to the top

Article Translations

 

Other Support Options

  • Need More Help?
    Contact a Support professional by Email, Online or Phone.
  • Customer Service
    For non-technical assistance with product purchases, subscriptions, online services, events, training courses, corporate sales, piracy issues, and more.
  • Newsgroups
    Pose a question to other users. Discussion groups and Forums about specific Microsoft products, technologies, and services.