Azure AD Connect – Unable to validate credentials due to an unexpected error.
In case you will get the following error message at connecting to Azure AD, there will be a good chance…
Restore deleted Microsoft 365 Hybrid User
If you need to restore a Microsoft 365 hybrid user account which was synced from on-premises Active Directory to Azure…
Renew Edge Subscription in Exchange Server after Cumulative Update
Last weekend I updated my on-premises Exchange Servers with the new cumulative update and therefore had to renew the Edge…
Enable External Users for booking and adding Exchange Room Calendars
If you want to allow external users for booking and adding your Exchange room calendars in Outlook, you have to…
Change Owner for Azure AD joined Windows 10 Devices
Under Azure Active Directory – Devices – All devices you will get a list of all devices which are Azure…
Set up Windows Hello for Business Hybrid Azure AD joined Devices
In one of my last posts you will see how to disable the mandatory Windows Hello for Business Prompt (provisioning)…
Disable Mandatory Windows Hello for Business Prompt on Azure AD joined Devices
If you join your device to Azure AD by using the Access work or school settings, the device by default…
How OAuth 2.0 and OpenID Connect works
OAuth which stands for Open Authorization is the de facto industry standard for online authorization. With OAuth you can grant…
Microsoft 365 Groups vs. Microsoft Teams Team
Microsoft 365 Groups (formerly known as Office 365 Groups) are used by Microsoft 365 for collaboration between users, both inside…
Microsoft Bookings
In this post I have carried together the main points you should know to start easily with Microsoft Bookings. Microsoft…