Observed that:
Keys for MS Office propagation are written to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\12.0, 14.0 and 15.0 hive but not to 16.0 (Office 2016). Same applies to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\XX.0 hive.
Expected:
Keys for Office propagation are written also to HKEY_LOCAL_MACHINE\SOFTWARE\(Wow6432Node)\Microsoft\Office\16.0 hive when Office 2016 is installed.
Workaround: Copy the keys from HKEY_LOCAL_MACHINE\SOFTWARE\(Wow6432Node)\Microsoft\Office\xx.0 to 16.0 hive.