Most RecentMost LikesMost ViewedReleased: May 2026 Exchange Server Hotfix Update We have released a Hotfix Update for Exchange Server SE. Addressing Exchange Server May 2026 vulnerability CVE-2026-42897 We wanted to tell you how to address the Exchange Server May 2026 vulnerability CVE-2026-42897. Update Your Exchange SE Hybrid On-premises Rich Coexistence to Graph Configure Exchange Server SE to move your Hybrid rich coexistence scenarios to Graph API calls. Replacing IIS SMTP virtual server with Exchange Edge Transport How to go about replacing IIS SMTP virtual server with Exchange Edge Transport. Upgrading your organization from current versions to Exchange Server SE We wanted to provide additional guidance and FAQ for preparing your organizations for Exchange Server SE release. No Exchange Server Security Updates for May 2026 We are not releasing any Exchange Server Security Updates for May 2026. No Exchange Server Security Updates for April 2026 We are not releasing any Exchange Server Security Updates for April 2026. Exchange Server Subscription Edition (SE) is now available We are excited to announce the general availability of Exchange Server Subscription Edition (SE). No Exchange Server Security Updates for March 2026 We are not releasing any Exchange Server Security Updates for March 2026. Released: February 2026 Exchange Server Security Updates We have released Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only.