https://www.dotnetzone.gr:443/cs/blogs/pkefal/archive/2011/03/10/new-windows-azure-cdn-features-and-sdk-1-4.aspxWindows Azure SDK 1.4 was released yesterday with no breaking changes and a lot of stability fixes. You can get the bits from here . Among an important fix, specially if you use a source control system, where the web.config was being locked but WindowselCommunityServer 2.1 SP3 (Build: 20423.1)