http://blogs.msdn.com/srikanthr/archive/2007/04/30/custom-build-numbers.aspxThe Team Build service in Team Foundation Server includes the current date in the build number by default. This is really difficult to understand especially when there are lot of builds and you have single team build type for all your environments. Howen-USCommunityServer 2.1 SP1 (Build: 61025.2)