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Lot of people already know the new Microsoft strategy for blocking outdated Exchange OnPrem Versions in hybrid environments.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. …

Bye bye Azure AD Connect V1

As mentioned at an earlier blogpost time has come for leaving version 1 of Azure AD Connect. A orange warning symbol in the new Microsoft Entra portal is displayed already some time. If you follow this link there is a really clear notification: These guys that are still using Azure AD Connect V1 and rely …

Supported Office versions for M365 environments

M365 services also have a lifecycle for supported client software, there you can find some exciting entries. Originally Microsoft announced a roadmap where M365 supports all products under maintenance (mainstream support). Office 2016 is one exception from this rule. It is not under mainstream support but still supported. See this. October 2023 is not that …

Exchange Online send mails with E-Mail alias

Long time, there was no way to change the send mail address from primary to alias mail addresses. So sending address was forced by administration. Even if users have multiple smtp-addresses there was no official way to accomplish this. January 2022 changed this statement, now it is possible to use the secondary mail address. More …