Finally Exchange team published the public preview of Exchange 2016. The build number of the preview version is 18.104.22.168. This Exchange 2016 Preview raises schema to version 15317.
Here are some recommendation:
- Minimum required Forest Functional Level (FFL) and Domain Functional Level (DFL) is Windows Server 2008, not Windows Server 2008 R2.
- The supported Operating Systems are Windows Server 2012 and Windows Server 2012 R2. At Ignite, it was announced Windows Server 2012 was not going to be supported. Windows Server 10 (Windows Server 2016) is currently in preview, support may be expected when Windows Server 10 is released.
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