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Remote Assistance May Not Connect to a Multiple-Homed Windows XP Computer with the Personal Firewall Feature Enabled

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article has been archived. It is offered "as is" and will no longer be updated.
When you use a multiple-homed Windows XP-based computer with the Personal Firewall feature enabled, remote users may not be able to connect to the computer in response to a Remote Assistance request.

Also, if you are using a Windows XP-based computer with one network adapter and a modem with the Personal Firewall feature enabled, Remote Assistance does not open the firewall port on the modem connection.
This problem occurs because Remote Assistance opens the firewall port only on the first bound network adapter of the multiple-homed computer.
To resolve this problem, obtain the latest service pack for Windows XP. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
322389 How to Obtain the Latest Windows XP Service Pack
This update is available on the Microsoft Windows Update Web site.Release Date: October 25, 2001

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.The English-language version of this fix should have the following file attributes or later:
   Date         Time   Version      Size     File name    Platform   ---------------------------------------------------------------------   05-Oct-2001  11:47  5.1.2600.15  135,680  Rdchost.dll  Intel   05-Oct-2001  11:47  5.1.2600.15  131,072  Sessmgr.exe  Intel   05-Oct-2001  11:47  5.1.2600.15  470,528  Rdchost.dll  Itanium 64-bit   05-Oct-2001  11:47  5.1.2600.15  427,520  Sessmgr.exe  Itanium 64-bit				

To work around this problem, use any of the following methods:
  • Change the binding order of the network adapters.
  • Temporarily disable the Personal Firewall feature while you receive Remote Assistance.
  • Manually open the Remote Assistance ports.
Note that if there is only one network adapter and a modem and you change the binding order, the problem is not resolved.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows XP Service Pack 1.
security mapping multi multihomed

Article ID: 308210 - Last Review: 01/11/2015 21:03:49 - Revision: 3.0

Microsoft Windows XP Home Edition, Microsoft Windows XP Professional

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