Unable to connect to this Team Foundation Server

At my work I have server with installed Team Foundation Server and
I use this Team Foundation Server at home through an Internet. At the first time I was able to connect to the server, but after restarting Visual Studio .NET 2005 Beta 2, I've received the following error "Unable to connect to this Team Foundation Server".
The firewall on my client machine (Windows 2003 Server) is switched off, also I'm able to browse the following url:

http://MyTFSServerMachineName:8080/SCC/application/Repository.asmx

How can I fix error I've specified?

[669 byte] By [SergeyPikhulya] at [2007-12-16]

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# 1

Some additional information: When I've started Team Foundation Client (from the Visual Studio .NET 2005 Beta 2) from the same computer (I've logged in under TFSSETUP account) which has installed Team Foundation Server all worked without any error.
But I need to work with Team Foundation Server via Internet.

SergeyPikhulya at 2007-9-9 >

top of Msdn Tech,Visual Studio Team System,Team Foundation Server - Setup...

# 2

Unfortunately, this scenario doesn't work very well with beta 2. It will be fixed before RTM.

Buck

BuckHodges at 2007-9-9 >

Visual Studio Team System

Team Foundation Server - Setup

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