How to disable H.323 functionality in Routing and Remote Access if it is configured to use NAT in Windows 2000 and in Windows Server 2003

Article ID: 838834 - View products that this article applies to.
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INTRODUCTION

This article describes how to disable the H.323 functionality in the Routing and Remote Access service if that service is configured to use the network address translation (NAT) routing protocol. By default, the H.323 component is enabled if you configure the Routing and Remote Access service to use NAT in Microsoft Windows 2000. The procedures that are described in the "More Information" section also apply to Microsoft Windows Server 2003. However, in Windows Server 2003, the H323 component is disabled by default if you configure Routing and Remote Access to use NAT.

Important This procedure only modifies Routing and Remote Access if it is configured to use NAT. It does not disable H.323 functionality in the following components or programs:
  • Internet Connection Sharing (ICS)
  • Internet Connection Firewall (ICF)
  • Telephony API (TAPI)
  • NetMeeting
  • Other programs that use NetMeeting or H.323 TAPI functionality
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MORE INFORMATION

To disable H.323 functionality

To disable H.323 functionality in Routing and Remote Access if it is configured to use NAT, follow these steps:
  1. Log on to the computer as an administrator.
  2. Click Start, click Run, type cmd, and then click OK.
  3. At the command prompt, type the following, and then press ENTER:
    netsh routing ip nat delete h323

To enable H.323 functionality

To enable H.323 functionality in Routing and Remote Access if it is configured to use NAT, follow these steps:
  1. Log on to the computer as an administrator.
  2. Click Start, click Run, type cmd, and then click OK.
  3. At the command prompt, type the following, and then press ENTER:
    netsh routing ip nat add h323
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
835732
(http://support.microsoft.com/kb/835732/ )
MS04-011: Security Update for Microsoft Windows
For additional information about how to use the Netsh command, type the following at a command prompt, and then press ENTER:
netsh help
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Properties

Article ID: 838834 - Last Review: October 30, 2006 - Revision: 3.3
APPLIES TO
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
Keywords: 
kbwinservnetwork kbnetwork kbnat kbhowto kbinfo KB838834
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