Microsoft to stop Exchange 2016 / 2019 security updates in October
Microsoft has reminded customers that it will stop shipping security updates for Exchange 2016 and 2019 through the Extended Security Update (ESU) program in October. This comes after a 6-month extension announced in April 2026 to the original ESU program, which began in October after Exchange Server 2016 and 2019 reached the end of support. […]
