Download Microsoft Exchange Server 2016 CU16

Microsoft’s Exchange Server offers functionality to provide e-mail and calendaring, and is mainly used in business. Although Microsoft is strongly committed to cloud technology with Office 365, on-premise versions are also still being released. For a general discussion about Exchange Server 2016, you can visit the General Exchange 2016 topic on our Forum. The Exchange team has released the 16th Cumulative Update for Exchange Server 2016. The corresponding KB article with number 4537678 mentions the following changes:

Cumulative Update 16 for Exchange Server 2016

This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. These fixes will also be included in later cumulative updates for Exchange Server 2016. This update also includes new daylight saving time (DST) updates for Exchange Server 2016. For more information about DST, see Daylight Saving Time Help and Support Center.

Known issues in this cumulative update
In multidomain Active Directory forests in which Exchange is installed or has been prepared previously by using the /PrepareDomain option in Setup, this action must be completed after the /PrepareAD command for this cumulative update has been completed and the changes are replicated to all domains. Setup will try to run the /PrepareAD command during the first server installation. Installation will finish only if the user who initiated Setup has the appropriate permissions.

Issues that this cumulative update fixes

• 4547705 Authentication loop between msft.sts.microsoft.com/adfs and OWA in Exchange Server 2016
• 4547706 Birthday isn’t correctly synced to iOS native mail app in Exchange Server 2016
• 4547708 Elevation of privileges possible when Active Directory permissions role is granted in Exchange Server 2016
• 4547709 InternetWebProxyBypassList is ignored by Mailbox Replication service in Exchange Server 2016
• 4547710 New-MailboxSearch with In-Place Hold enabled replaces all values ​​in msExchUserHoldPolicies if adding a value in Exchange Server 2016
• 4547711 Public folder permissions aren’t applied from Outlook in Exchange Server 2016 hybrid environment
• 4547712 Outlook on the web (OWA) exposes junk operations even if disabled via OwaMailboxPolicy in Exchange Server 2016
• 4547713 IsOnlineMeeting is always false for Teams-only meetings in Exchange Server 2016
• 4547714 Can’t add remote shared mailbox by using ECP into distribution group in Exchange Server 2016 hybrid environment
• 4547715 New created search folder retention policy is changed in Exchange Server 2016
• 4547722 Can’t go from Office 365 to Enterprise in Exchange Server 2016 Exchange admin center (EAC) if Chrome SameSite Cookie is enabled
• 4547723 Can’t sign in to Office 365 if configuring hybrid with Chrome SameSite Cookie enabled in Exchange Server 2016
• 4547716 Event ID 1325 and Test-ExchangeSearch crashes application pool with NullReferenceException in Exchange Server 2016
• 4536987 Description of the security update for Microsoft Exchange Server 2016: February 11, 2020
• 4540123 Description of the security update for Microsoft Exchange Server 2016: March 10, 2020