Aug 07 2017 12:05 AM
Recently, I came across an issue where I got series of errors when trying to install an Exchange 2016 Cumulative Update 4 into and existing Exchange 2010 SP3 CU 10 environment. Read more about the detailed error and the fix to overcome the error said error in the below article on my blog.
The Active Directory schema isn’t up-to-date error when trying to Install Exchange 2016
Jan 10 2018 01:47 AM
We had this same issue the other way around; installing CU10 into a CU4 environment.