So, the answer is yes. SCCM Tech Preview 3 can be installed on Windows Server 2016 Technical Preview 3. The SCCM prerequisites seem to be all the same as one goes through the Windows Roles and Features preparation. Then AD/DNS, and promotion
as well as SQL 2014 w/ SP1. The ADK for Win 10 also has a nice new behavior of not installing SQL express as part of the install. A non-descript reboot was required.
azwright