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Remote Assistance invitation file does not contain correct port number

Article ID: 307711 - View products that this article applies to.

Hotfix Download Available

This article was previously published under Q307711

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SYMPTOMS

Remote Assistance may not insert the correct port number in the invitation file.

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CAUSE

This behavior can occur after the listening port that Remote Desktop uses is changed. When Remote Assistance creates the invitation file, the correct port number is not updated from the registry.

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A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

(http://support.microsoft.com/contactus/?ws=support)

Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

You must have Windows XP with Service Pack 1 (SP1) or Windows XP with Service Pack 2 (SP2) installed before you apply this hotfix.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

Windows XP Professional, x86-based versions with Service Pack 1

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File name	File version	File size	Date	Time	Platform	SP requirement
Cfgbkend.dll	5.1.2600.1684	32,768	11-May-2005	06:40	x86	SP1
Pchsvc.dll	5.1.2600.1684	30,720	11-May-2005	06:40	x86	SP1
Racpldlg.dll	5.1.2600.1684	39,424	11-May-2005	06:40	x86	SP1
Regapi.dll	5.1.2600.1684	44,544	11-May-2005	06:40	x86	SP1
Safrslv.dll	5.1.2600.1684	41,472	11-May-2005	06:40	x86	SP1
Sessmgr.exe	5.1.2600.1684	131,072	11-May-2005	00:11	x86	SP1
Termsrv.dll	5.1.2600.1684	200,192	11-May-2005	06:40	x86	SP1
Tscfgwmi.dll	5.1.2600.1684	88,064	11-May-2005	06:40	x86	SP1

Windows XP Professional, x86-based versions with Service Pack 2

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File name	File version	File size	Date	Time	Platform
Sessmgr.exe	5.1.2600.2674	141,312	10-May-2005	23:53	x86

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WORKAROUND

To work around this behavior, use any of the following methods.

Use Windows Messenger to establish the Remote Assistance session. This method will often succeed because of the reverse connection method that Windows Messenger uses. For more information about using Windows Messenger for Remote Assistance, click the following article number to view the article in the Microsoft Knowledge Base:
306556
(http://support.microsoft.com/kb/306556/ )
How to obtain remote assistance using Windows Messenger
Edit the Remote Assistance invitation file to reflect the correct port number that Remote Assistance is using:
1. Create a new invitation, and then save the invitation as a file.
2. Open the file by using Notepad or another text editor.
3. Find the "RCTICKET=" section. Note that this section looks similar to the following section
  RCTICKET="65538,1,10.10.10.1:3389;user name.domain name.com:3389
  where 10.10.10.1 is the IP address, user name.domain name.com is the fully qualified domain name or computer name, and 3389 is the port number.
4. Change the port number from 3389 to the port that Remote Desktop has been configured to use.
5. Save the file.
6. Send the invitation to the recipient.

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STATUS

This behavior is by design.

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MORE INFORMATION

For more information about how to change the listening port for Remote Desktop, click the following article number to view the article in the Microsoft Knowledge Base:

306759

(http://support.microsoft.com/kb/306759/ )

How to change the listening port for Remote Desktop

Note that the listening port for Remote Desktop is also used by Remote Assistance in establishing connections.

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