A Windows Server 2012 update rollup hasn't been installed [Win2k12RollupUpdateNotInstalled]
Microsoft Exchange Server 2016 Setup has detected that the computer you're attempting to install Exchange 2016 on doesn't have a recommended Windows update installed. We strongly recommend that you install this Windows update before installing Exchange 2016 to avoid any issues resolved by the update.
A Windows Server 2012 update rollup that resolves several issues, including those that could cause Resilient File System (ReFS)-formatted disks to perform unreliably, hasn't been installed.
Download and install the 64-bit update from the following URL, and then click retry on the Readiness Checks page.
If this update requires a reboot to complete installation, you'll need to exit Exchange 2016 Setup, reboot, and then start Setup again.
Microsoft Knowledge Base article KB2822241, Windows 8 and Windows Server 2012 update rollup: April 2013
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