On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow ...

Microsoft on Thursday disclosed a zero-day vulnerability in Exchange that's under active exploitation, but four days later customers are still awaiting a patch. The zero-day, tracked as CVE-2026-42897 ...

The zero-day vulnerability affects on-premises installations for all versions of Exchange Server 2016, 2019 and Subscription ...

Many organizations are gravitating to the lure of giving up running Exchange Server in favor of turning it over to Microsoft Office 365. The Exchange Online offering in Office 365 is much easier to ...

This article provides possible solutions to the problem in which Outlook cannot connect to the Exchange mailbox. This issue occurs when a user moves his mailbox from one Microsoft Exchange Server to ...

Windows Server backup is a native feature for backing up server data, including Exchange Server. This feature must be enabled and configured before an Exchange failure occurs. In this solution, we ...

Microsoft says outdated Exchange servers cannot receive new emergency mitigation definitions because an Office Configuration Service certificate type is being deprecated. Emergency mitigations (also ...