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.
Enabling TCP/IP ForwardingImportant
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:
How to back up and restore the registry in Windows
- Start Registry Editor (Regedit.exe).
- Locate and click the following key in the
- 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.
- Quit Registry Editor.
Article ID: 323339 - Last Review: December 3, 2007 - Revision: 7.5
- 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
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