#exchange-server

#exchange-server

Microsoft Office versions 2016 and 2019 will lose support in 2025, pushing users toward cloud solutions.

Exchange Server options are limited post-2019, with a delayed follow-up uncertain.

Skype for Business is also being phased out in favor of Teams by October 2025.

Microsoft fixed an issue caused by the November 2024 Security Update for Exchange Server that disrupted transport rules and email traffic.

Microsoft has resumed its Security Update rollout for Exchange after resolving issues that disrupted email flow and transport rules.

Microsoft has ended support for Exchange Server 2019, urging customers to migrate to cloud-based solutions.

EEMS for Exchange Server may stop working if versions are significantly out of date.

Regular updates to Cumulative and Security Updates are crucial for Exchange Server operations.

The PowerShell Remoting ConvertViaNoArgumentConstructor mechanism led to the discovery of three vulnerabilities in Exchange despite hardening efforts.

The ProxyNotShell vulnerability chain illustrates that patches can be circumvented, allowing for potential attacks even after fixes are released.