As you already know Exchange Server 2016 will be entering Extended Supporton October 14th 2020..
During that period it will receive only Critical and will be no further release of CUs, with the last planned CU to be released in December 2020.
One of the many concerns regarding that transition is that at the moment there is no free Exchange Server 2019 license for just managing the exchange attributes on hybrid deployments as there is for Exchange 2016.
According to the Product Group that sp
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
Cumulative Update 6 for Microsoft Exchange Server 2019 was released on June 16, 2020. This cumulative update is a security update. It 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 2019.
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
Cumulative Update 6 for Microsoft Exchange Server 2019 was released on June 16, 2020. This cumulative update is a security update. It 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 2019.
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
Cumulative Update 6 for Microsoft Exchange Server 2019 was released on June 16, 2020. This cumulative update is a security update. It 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 2019.
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
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
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
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 t
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
Κnown 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 domain
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
Κnown 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
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
Κnown 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 al
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
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
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
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
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
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 th
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
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 domai
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
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 domai
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
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 d
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
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 /P
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
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 /P
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues
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
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
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
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
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
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
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
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
Known issues
The Set-SendConnector cmdlet does not work for Exchange Server 2013 in hybrid scenarios that have a Edge server installed. For more information, see KB 4523519.
Issues that this cumulative update fixes
This cumulative update fixes the issues that are described in the following Microsoft Knowledge Base articles:
4502131 “TLS negotiation failed wit
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
Known issues
The Set-SendConnector cmdlet does not work for Exchange Server 2013 in hybrid scenarios that have a Edge server installed. For more information, see KB 4523519.
Issues that this cumulative update fixes
This cumulative update fixes the issues that are described in the following Microsoft Knowledge Base articles:
4502131 “TLS negotiation failed wit
This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
Known issues
The Set-SendConnector cmdlet does not work for Exchange Server 2013 in hybrid scenarios that have a Edge server installed. For more information, see KB 4523519.
Issues that this cumulative update fixes
This cumulative update fixes the issues that are described in the following Microsoft Knowledge Base articles:
4502131 “TLS negotiation failed w
This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues.
Issues that this cumulative update fixes
4502134 Can’t get all the emails when searching mailbox by using an end date that’s different from today in Exchange Server 2019
4502135 Correct the error message that you receive when installing Exchange Server 2019 in an organization that has Exchange Server 2010 installed
4502154
