File transfer problem

[GoogleCodeExporter]

What steps will reproduce the problem?
1. You'll need 2 accounts which each one contains the other in its contact list.
2. Sign in with the first account using the test client
3. Sign in with the second account using WLM 2009
4. Try to send a file (a few MB) from the test client to the other account.

Only a few kb are sent and then the file transfer process stops. WLM stops 
updating it's file transfer progress bar.

What version of the product are you using? (MSNPSharp, OS, Mono etc.)
MSNPSharp 4.x Latest SVN version, Windows 7 x64, .NET 2.0

Original issue reported on code.google.com by [email protected] on 19 Jul 2011 at 11:58