We’re thrilled to announce that the BizTalk Services “R12” Community Technology Preview (CTP) is now available for general use. “BizTalk Services” is the code-name for a platform-in-the-cloud offering from Microsoft. Currently in active development...

The BizTalk Services CTP will be switched from the "R11" to the "R12" release starting in about 30 minutes and we expect to have a 2 hour time window (1400h-1600h PT/2300h-0100h UTC) where existing service accounts are being rolled over to the new release...

Heads up: If things go as planned, the BizTalk Services cloud will be unavailable for a few hours during the day on Tuesday 7/15 (U.S. Pacific Time) since we're doing an update to the services and to the SDK. I will post an update with the exact time...