Exchange Server 2016 setup may display an error that all Exchange 2013 servers in the organization must have Exchange 2013 Cumulative Update 10 or later installed.
How to install Exchange Server 2016 into an existing Active Directory and Exchange Server 2010 or 2013 environment.
Microsoft has released Update Rollup 11 for Exchange Server 2010 Service Pack 3, including bug fixes and co-existence for Exchange Server 2016.
Microsoft has released Cumulative Update 10 for Exchange Server 2013, including important bug fixes, security updates, and co-existence for Exchange 2016.
Discover the deployment and co-existence information and processes for upgrading an existing organization to Exchange Server 2013.
Exchange 2007 Outlook Web Access users may receive an error when connecting to OWA after Exchange 2010 is installed.
How to configure the legacy namespace and SSL requirements for co-existence between Exchange Server 2003 and Exchange Server 2010.