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and Change 2019 will attain the top of prolonged help in October and shared steering for many who must decommission outdated servers.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