With both Exchange 2016 and 2019 going out of support in October 2025, we have heard from some of our customers that they have started their migrations to Exchange Subscription Edition (SE) but might...
Updated Jul 15, 2025
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Our Exchange 2016 to M365 migration is delayed for technical reasons. Our provider says we’re not eligible for ESU (no Enterprise Agreement, and too small to get one), leaving Exchange 2019 as the only option. We want to avoid a double migration and are confident we can complete the M365 move by year-end if we can bridge the gap.
Context: 1,100 mailboxes, ~800 M365 E5 licenses already committed for 3 years.
Any solution on how to get an ESU? Thank you!