http://blogs.technet.com/alexmga/archive/2008/01/30/are-you-an-mps-developer-or-have-a-portal-based-on-mps-well-there-are-some-news-you-should-be-aware-of.aspxFor those of you (ISVs, Hosters) who develop applications for MPS (multi-tenant applications, provisioning), it's important for you to know that there is an MPS SDK update available for you to review and consider in your development. As an example ofen-USCommunityServer 2.1 SP1 (Build: 61025.2)