The Exchange team would like to raise your attention to an issue that some customers have reported running Exchange Server 2016 on Windows Server 2016. Crashes of the IIS (W3WP.exe) process have been reported causing instability of Exchange Server on Windows Server 2016. The Exchange team has worked with the Windows team to isolate the source of the problem. An update for Windows Server 2016 will be made available to resolve this issue.
When there are updates on this issue, the Exchange Team will update their blog post.