http://blogs.msdn.com/b/buckh/archive/2012/10/24/upgrading-tfs-build-from-2010-to-2012-issues-and-workarounds.aspxJason Prickett has written a blog post summarizing issues and workarounds for problems encountered with TFS build when upgrading from TFS 2010 to TFS 2012. Upgrading your build definitions from TFS2010 to TFS2012 Follow me on Twitter at twitter.com/tfsbucken-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/buckh/archive/2012/10/24/upgrading-tfs-build-from-2010-to-2012-issues-and-workarounds.aspx#10391326Tue, 05 Feb 2013 20:00:21 GMT91d46819-8472-40ad-a661-2c78acb4018c:10391326YvonneS<p>please vote on the uservoice page: <a rel="nofollow" target="_new" href="http://visualstudio.uservoice.com/forums/121579-visual-studio/suggestions/3288596-to-allow-the-usage-of-build-controller-2010-with-t?tracking_code=ad41649ccc83cca228b76cd803262fc6">visualstudio.uservoice.com/.../3288596-to-allow-the-usage-of-build-controller-2010-with-t</a></p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=10391326" width="1" height="1">http://blogs.msdn.com/b/buckh/archive/2012/10/24/upgrading-tfs-build-from-2010-to-2012-issues-and-workarounds.aspx#10362508Wed, 24 Oct 2012 20:59:41 GMT91d46819-8472-40ad-a661-2c78acb4018c:10362508Buck Hodges<p>Thanks. They&#39;ve unfortunately become infrequent. :-(</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=10362508" width="1" height="1">http://blogs.msdn.com/b/buckh/archive/2012/10/24/upgrading-tfs-build-from-2010-to-2012-issues-and-workarounds.aspx#10362505Wed, 24 Oct 2012 20:57:58 GMT91d46819-8472-40ad-a661-2c78acb4018c:10362505M.Radwan-MVP<p>Thanks Buck, I really missed you posts :-)</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=10362505" width="1" height="1">