End of Mainstream Support for Exchange 2016


End of Mainstream Support for Exchange 2016 ended on October 13, 2020. This means that 5 years after its release, this on-premises server enters the Extended Support period. The end of extended support (or end of life) for Exchange Server 2016 is planned for October 14, 2025. Exchange Server 2016, like pretty much every other on-premises Exchange Server, has a Fixed Lifecycle Policy.

Microsoft offers three support periods:

  • Mainstream Support – is where a product is fully supported. During this period, Exchange Server receives regular bug fixes, security updates and new features. That is also the timeframe during which you can request to change the product’s design, request features, report bugs and contact support. Mainstream Support lasts for 5 years after a certain Exchange Server version is released.
  • Extended Support – in this stage, Exchange Server will not get Cumulative Updates but will continue to receive security updates.
  • Beyond the End of Support – that’s when a certain Exchange Server edition becomes unsupported. It is not recommended to to use Exchange Server after the Extended Support period ends.. You shouldn’t expect bug fixes or security updates and if you encounter any problems, you are on your own.

You should consider migrating to Microsoft Exchange online, as Exchange Server 2019 will reach its end of support at the exactly the same day (October 14, 2025). Microsoft did announce at Microsoft Ignite that there will be more versions of on-premise Exchange Servers released.

If you are interested in learning more about migrating to Microsoft Exchange online or need some advice of what on-premise Exchange server makes the most sense for your business, give us a call today. 2W Tech is a technology service provider specializing in solutions for the manufacturing industry. We are also a Microsoft Gold Partner.

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