I can honestly say that I connect regularly to people using both versions, in a variety of
configurations and versions, yet haven't seen this.
I'm curious though -- if at all possible, try the same "tests" with the XP firewall off,
and/or taking the D-Link router/firewall device out and see if you encounter the same
Windows MVP, Messenger
Messenger Resources - http://messenger.jonathankay.com
> It was with three different people (in a triangle) that
> we figured out it was an incompatibility. All three
> running WinXP-sp1. One directly on the net, one behind a
> d-link firewall, and one behind an XP firewall. When we
> mix versions 4.7/5.0 between any two it doesn't connect.
> 4.7/4.7 and 5.0/5.0 connects. Easily reproduced.
> 4.7/5.0 tries to connect but fails in the attempt saying
> something is wrong with the recipient's computer. Text
> works fine.
> Version of Windows Msgr: 4.7.0105
> Version of MSN Msgr: 5.0.0543
> >-----Original Message-----
> >Hi Peter,
> >MSN Messenger 5 and Windows Messenger 4.7 are fully
> compatible with one another (the
> >protocols for voice/video are identical). I'm not
> exactly sure why you would be seeing
> >this -- have you encountered the problem with other
> >[As well, thanks for the comment =)]
> >Jonathan Kay
> >Windows MVP, Messenger
> >Associate Expert
> >Messenger Resources - http://messenger.jonathankay.com
> >> A person to whom I regularly connect in voice and video
> >> chat mode upgraded to MSN messenger 5.0 (from 4.7). I
> >> still on messenger 4.7. After his upgrade we were no
> >> longer able to connect our computers for voice/video
> >> chat. The computers attempt to connect to each other
> >> either time-out or fail in the connectoin. After
> >> installing MSN messenger 5.0 on my computer, I am now
> >> able to connect in voice/video mode chat to his
> >> So it looks like messenger 4.7 voice/video is not
> >> compatible with msn messenger 5.0 voice/video. 4.7/4.7
> >> and 5.0/5.0 voice/video work correctly.
> >> This is bothersome because now I have to maintain both
> >> 4.7 and 5.0 messenger on my system so that I can use
> >> voice/video with the 12 different members of my
> >> community, some of which are on 5.0 and some of which
> >> still in 4.7 and haven't upgraded.
> >> Is Microsoft planning a patch to msn messenger 5.0 to
> >> make it voice/video compatible with messenger 4.7?
> >> -Peter
> >> p.s. Jonathan, thank you for all of your continuous
> >> work in this community. I've seen you answer the same
> >> question from various people repeatedly, consistently
> >> giving great advice. Without you this b-board wouldn't
> >> work.