Everything you want to know about Visual Studio ALM and Farming
Brian Harry is a Microsoft Technical Fellow working as the Product Unit Manager for Team Foundation Server. Learn more about Brian.
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We've worked hard to make sure TFS 2010 is usable from all clients that can access TFS 2005 and 2008 in order to make your upgrade to TFS 2010 easier. Unfortunately, the changes in 2010 are significant enough it will require patches/updates to older clients to work fully. The follow post explains the compatibility philosophy and details the issues you might run into.
http://blogs.msdn.com/teams_wit_tools/archive/2009/10/19/compatibility-matrix-for-2010-beta-2-team-foundation-server-to-team-explorer-2008-and-2005.aspx
The patch for VS 2008 Team Explorer clients is available now here: http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=cf13ea45-d17b-4edc-8e6c-6c5b208ec54d
An update for the MSSCCI provider will be available in mid-November and an update for VS 2005 clients will be available in the 2010 launch timeframe.
Brian
Thanks for this, Brian. Can we assume with the Beta 2 bits and the go-live licence that we can now suck projects over to 2010 (or start them there) safely? I.E., will the launch release of TFS be able to read B2 TFS projects and/or will it import those projects as simply as the patch/conversion process you mention above? Cheers, James
Yes, projects can now be upgraded from TFS 2005/2008 and we will support upgrades from Beta 2 -> RTM.
Are there going to be 32bit and 64bit versions of the client libraries? I have an app that uses Managed TFS client APIs in 2008, will 2010 force me to have two versions of my app?
Yes, the TFS 2010 client libraries work for both 32 & 64-bit apps. For most of them, there aren't two - they are compiled into word size independent IL so they will load in either a 32 or 64 bit process.