How To Enable TCP/IP Forwarding in Windows Server 2003

Article translations Article translations
Article ID: 323339 - View products that this article applies to.
This article was previously published under Q323339
Expand all | Collapse all

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.

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 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.

Properties

Article ID: 323339 - Last Review: December 3, 2007 - Revision: 7.5
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
Keywords: 
kbenv kbhowtomaster kbnetwork KB323339

Give Feedback

 

Contact us for more help

Contact us for more help
Connect with Answer Desk for expert help.
Get more support from smallbusiness.support.microsoft.com