Re: Whiteboard and application sharing do not work
From: Dave Ogle (david.ogle_at_virgin.net)
Date: 11/27/04
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Date: Sat, 27 Nov 2004 09:40:03 -0000
Jonathan
Thanks for your quick response to my query
I have done as you suggested, but both UPnP and Internet Gateway Discovery
and Control Client are already installed
It does seem from the message in MSN Messsenger tools/options/connection
that Windows is not recognising my router as UPnP enabled.
Dou you have any other suggestions?
Regards
Dave
"Jonathan Kay [MVP]" <msnewsreplies@jonathankay.com> wrote in message
news:O0ZAlbD1EHA.3452@TK2MSFTNGP14.phx.gbl...
> Greetings Dave,
>
> The RTC (Real-Time Communications) component which powers the audio
> conversations of MSN Messenger can actually establish a connection even
> without an UPnP (detected anyway) NAT, the Webcam functionality can do the
> same (and use a relay server) and file transfer can send files directly
> through the server.
>
> However, Whiteboard and Application Sharing do require an UPnP-enabled NAT
> (even with the proper port forwarded; 1503) as it needs to send the proper
> IP information to your contact (and has nothing to fall back on).
>
> You might try installing the UPnP components in Windows -- click Start,
> Control Panel, Add or Remove Programs, Add/Remove Windows Components, and
> under Networking Services, make sure that Internet Gateway Device
> Discovery and Control Client as well as UPnP is installed.
> ____________________________________________
> Jonathan Kay
> Microsoft MVP - Windows Messenger/MSN Messenger
> Associate Expert
> http://www.microsoft.com/windowsxp/expertzone/
> Messenger Resources - http://messenger.jonathankay.com
> All posts unless otherwise specified are (c) 2004 Jonathan Kay.
> You *must* contact me for redistribution rights.
>
>
> "Dave Ogle" <david.ogle@virgin.net> wrote in message
> news:41a7a02e$0$49003$ed2619ec@ptn-nntp-reader03.plus.net...
>> Perhaps you can help
>>
>> I am using MSN Messenger V6.2
>>
>> (Windows Messenger is also installed)
>>
>>
>>
>> Whiteboard and application sharing do not work
>>
>> Sound, video and file transfer work OK
>>
>>
>>
>> Looking in Tools/Options/Connection I have the following message:
>>
>> You are connected to the Internet through a non-UPnP symmetric NAT
>> (Administrator)
>>
>>
>>
>> I am connected with a D-Link DSL-504T ADSL router with the following
>> setup
>>
>> UPnP enabled
>>
>> Firewall & NAT enabled
>>
>> DMZ not enabled
>>
>> Port forwarding
>>
>> TCP,UDP 1024-1064,1863,6901
>>
>> TCP 1503,1720,1731,522,389,1503,5190,6891-6900
>>
>>
>>
>> I am running Windows XP with SP2
>>
>>
>>
>> Regards
>>
>> Dave Ogle
>>
>>
>>
>>
>
>
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