
In my opinion the official Microsoft Documentation lacks of any clear information on where to configure the allowed MFA methods for Azure AD. So if you’re also wondering on how to configure the allowed Multi-Factor-Authentication methods for Microsoft 365, you’ve come to right place.
Just a short PowerShell snippet to list all users with administrative roles in a Microsoft 365 (or Azure AD) environment. In the Admin Portals you can usually only list all the users with a specific role, not all users with any admin role.

In neueren Microsoft Outlook Versionen es ist nicht mehr möglich, im Cache Modus für freigegebene Postfächer weitere E-Mails abzurufen. Stattdessen wird am Ende der E-Mail-Liste folgender Hinweis angezeigt:

If you’re using Microsoft Booking in your Microsoft 365 Tenant, you might want to list all of the Booking calendars. Booking uses Exchange Online Mailboxes in the background. Every Booking Calendar has a corresponding Mailbox of the type “SchedulingMailbox”. If an user gets assigned “Administrator” for a Booking Calendar, they get “FullAccess” permissions for the Scheduling Mailbox.

If you have Auto-Expanding Archives for Exchange Online Mailboxes enabled, you might want to find out, if it actually provisions additional storage.

After creating SimpleIP.de as a serverless application (see my blog post My simple serverless journey was not that easy) I was kinda proud. Interesting technology, small and useful website. Nice.
A short example for PowerShell Regular Expressions.

More ore less quick note for myself - on how to run a PowerShell Script using Windows Task Scheduler.

You can using Microsoft Teams Audio Conferencing licenses to get Dial-In phone numbers for your meetings. The license is needed per user that creates the meeting invites.

Mit Microsoft Teams Audio Conferencing (Microsoft 365-Audiokonferenz) Lizenzen ist es möglich, Einwahlrufnummern für Teams Besprechungen zu verwenden. Die Lizenz wird für jeden Benutzer benötigt, der zu Teams Meetings mit Einwahlrufnummer einladen soll.