April 2024 Exchange Server Hotfix Updates

Some days ago Microsoft released a small security update for Exchange Servers. The original post from Exchange Team. This Update is OPTIONAL so there are some new features available in Exchange OnPremises. See the original Download Links: Update also brings some new features: Some fixed issues: The issue Outlook doesn’t display unread message icon caused …

Exchange Online mailbox apps check via PowerShell

Some days ago I got a ticket where someone could not load his calendar in Microsoft Teams. Outlook worked fine the only thing was Out of Office Notification, also did not work. After some research I found the solution by activating EWS on this specific mailbox. One our later everything was fine. You can find …

Exchange Online Enforcement Pause

Lot of people already know the new Microsoft strategy for blocking outdated Exchange OnPrem Versions in hybrid environments. See this old article which describes the most important informations, see also the timeline for throttling and blocking. https://techcommunity.microsoft.com/t5/exchange-team-blog/update-on-transport-enforcement-system-in-exchange-online/ba-p/3827774 After some time the Exchange Teams announced an new article about pausing this enforcement with throttling and blocking. …

Exchange SU Security Update November 2023

One month after realesing Exchange October update Microsoft launched another SU for November. Some CVE are patched and a “new” Feature is activated. Original blogpost can be found here. SUs are available for the following specific versions of Exchange Server: The process of updating did not change during this year, so nothing special here. Only …

Exchange 2016 / 2019 SU october 2023

Some days ago Microsoft released the October SU for Exchange 2016 and 2019. Installing this update is the same setup routine as known from previous updates before. See the original Exchange Team Blog post. Of course here are the downloadlinks for manual downloads. This is the official update instruction: Updating to SU october Microsoft treates …