On Monday, Microsoft released the last major update for Exchange Server 2019. The aging Exchange Server is set to lose support on Oct. 14, 2025. This final update (2025 H1 Cumulative Update (CU15) ...

Microsoft this week announced it will be bringing its Extended Security Update (ESU) program for on-premises Exchange Server 2016 and 2019, offering organizations critical protection as they approach ...

Microsoft announced today that Windows Extended Protection will be enabled by default on servers running Exchange Server 2019 starting this fall after installing the 2023 H2 Cumulative Update (CU14).

Microsoft has reminded admins that Exchange 2016 and Exchange 2019 will reach the end of extended support in October and shared guidance for those who need to decommission outdated servers. Exchange ...

Microsoft’s monthly update included 206 fixes for flaws in everything from Windows to Office to Exchange Server, not to mention three zero-days.

As Microsoft phases out older Exchange Server versions, IT leaders are facing new decisions about how to stay compliant and cost-efficient. Understanding the current licensing landscape for Windows ...

Earlier today, we reported that Microsoft is tracking a high-severity security flaw in hybrid Exchange Server deployments that enables an attacker who has gained on-prem administrative rights to take ...