Microsoft KB Archive/323464

= Error Message: The Invitation from  to Use Application Sharing Has Been Declined =

Article ID: 323464

Article Last Modified on 2/1/2007

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APPLIES TO


 * MSN Messenger 1.0
 * MSN Messenger 2.2

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This article was previously published under Q323464



SYMPTOMS
You may receive an error message if you try to use any of the following functionality between an MSN Messenger client computer that is running Microsoft Windows XP and an MSN Messenger client that is running an earlier version of Windows, such as Microsoft Windows 2000:
 * Application sharing
 * Whiteboard
 * File transfer

The receiving client may receive the following error message:

The invitation from  to start using   is declined. You need to upgrade to Windows XP to use this feature.

The sending client may receive the following error message:

does not have  installed (or it is disabled) and is not able to accept your invitation.



CAUSE
This issue may occur because the MSN Messenger client that is installed on Windows XP uses Session Initiation protocol (SIP) to initiate a session for the function that is called (for example, Application sharing). SIP is currently supported on Windows XP only. The program functionality still uses port 1503, which is the standard Microsoft NetMeeting port, after it is connected; however, signaling is now processed differently. Signaling requires Windows XP to interpret the incoming request properly.



RESOLUTION
If you are using a client that is running Windows XP and you want to use any of the features that are described in the &quot;Summary&quot; section, manually start NetMeeting to communicate with the client that is running an earlier version of Windows:
 * 1) Click Start, and then click Run.
 * 2) Type conf.exe, and then click OK.
 * 3) After NetMeeting starts, on the Call menu, click New Call.
 * 4) Type either the computer host name or the Internet Protocol (IP) address of the client that you want to communicate with.



WORKAROUND
To work around this issue, use either of the following methods:
 * Upgrade the recipient's computer to Windows XP.

-or-
 * Ask the user of the MSN Messenger client that is running an earlier version of Windows to send a NetMeeting invitation to the MSN Messenger client that is running Windows XP.

Keywords: kberrmsg kbprb KB323464

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