Today Microsoft has released the latest round of quarterly updates for Exchange 2013 and 2016.
.Net 4.7 is still not supported. The Exchange team is working on validating compatibility with Exchange. Although no issues have been found it still won’t be supported until this validation is complete.
Exchange 2016 CU6 update highlights
- Adds two new features:
Sent Items Behavior Control means that when a messages is sent as or sent on behalf of a mailbox, the messages will show in the sent items of both the delegator and delegate. This has been available in Exchange Online for a little while now.
Original Folder Item Recovery is just that. CU6 allows you to recover deleted items back to their original folders.
- Improvements have been made to TLS 1.2 support. It still is not recommended to rely only on TLS 1.2.
- Daylight saving time updates.
- Fixes an issue where POP/IMAP clients can’t log on with NTLM when the Alias and SamAccountName are different.
- New contacts created in OWA may be merged into existing contacts.
CU6 DOES include updates to the Active Directory Schema.
Exchange 2013 CU17 update highlights
- Daylight savings time updates.
- Fixes the issue of receiving “insufficient access rights” when running the Exchange setup with account from delegated setup group.
- Fixes issue of emoji displaying as question marks in iOS clients running in an Exchange environment.
- Fixes an issue where “the property is too long” error appears when you try and update the Department filed of a user mailbox.
CU17 DOES NOT include updates to the Active Directory Schema.
And as always, remember to test these CU’s in a test environment before applying them to your production servers. It’s best practice and really the only good way to limit the possible headaches that Exchange updates can cause.