Microsoft has reminded admins that Trade 2016 and Trade 2019 will attain the top of prolonged assist in October and shared steering for individuals who must decommission outdated servers.
Trade 2016 reached its mainstream finish date in October 2020, whereas Trade 2019 reached the top of mainstream assist on January 9, 2024.
“On October 14, 2025, 9 months from right now, Trade Server 2016 and Trade Server 2019 attain finish of assist,” the Trade Group stated.
“Buyer installations of Trade 2016 and Trade 2019 will after all proceed to run after October 14, 2025; nevertheless, as a result of upcoming finish of assist date and potential future safety dangers, we strongly advocate prospects act now.”
After October 14, 2025, Microsoft will not present technical assist for issues with Trade 2016 or Trade 2019, together with technical assist and bug fixes for newly found points that will impression server usability and stability.
The corporate may also cease issuing time zone updates and safety fixes for found vulnerabilities that will make the server weak to safety breaches.
Improve to Trade On-line or Trade Server SE
Microsoft advises admins to migrate to Trade On-line (obtainable as an Workplace 365 subscription or a stand-alone service) or put together to improve to Trade Server Subscription Version (SE) when it rolls out in early H2 of CY2025.
Admins can carry out an in-place improve from Trade Server 2019 to Trade Server SE, similar to putting in a Cumulative Replace (CU).
“To allow fast and straightforward in-place upgrades from Trade Server 2019, we have now purposely both pulled new options ahead into Trade Server 2019 CU15 or pushed them to Trade Server SE CU1 or later, leaving the Trade SE RTM to be a branding replace that introduces new lifecycle and assist insurance policies,” the Trade Group stated in September when it supplied extra data on Trade Server SE upgrades.
“By transferring to Trade Server SE RTM, your servers are on the supported path to Trade SE CU1. As soon as Trade SE CU1 is launched, all older variations shall be out of assist.”
Redmond’s documentation web site supplies detailed steering for world admins on Microsoft 365 migration and helps them resolve on the Trade On-line migration path.