Primary Refresh Token (PRT) in Azure and Microsoft 365
In a nutshell, the Primary Refresh Token (PRT) is a special high privileged refresh token where you can request access…
Exchange Online – Plus Addressing
For Exchange Online you can use since September 2020 Plus Addressing. With Plus Addressing your users can create own custom…
Providing SSO in Azure AD and Microsoft 365
With Azure AD Connect, you can synchronize on-premises Active Directory objects to Office 365 and Azure AD. Therefore users can…
Enable Hybrid Modern Authentication for on-premises Skype for Business and Exchange servers – Part 2 SFB
In this post we will configure Hybrid Modern Authentication (HMA) on our on-premises Skype for Business Server. This post is…
Enable Hybrid Modern Authentication for on-premises Skype for Business and Exchange servers – Part 1 Exchange Server
In this post we will configure Hybrid Modern Authentication (HMA) on our on-premises Exchange Server. This post is split into…
Modern Authentication Office 365
Modern authentication is an umbrella term for a combination of authentication and authorization methods between a client (for example, your…
Set up Active Directory Federation Services (AD FS 5.0) – Create an ASP.NET Core Web App (Model-View-Controller) by using OAuth 2.0 & OpenID Connect – Part 7
In this post I want to show you, how you can create a claim aware ASP.NET Core Web App (Model-View-Controller) with C#…
Exchange Classic Full Hybrid – Not all Mailbox Permissions fully supported and Automapping
If you want to add Mailbox Folder Permissions for an on-premises Mailbox to an User in Exchange Online, you will…
Microsoft 365 Admin Center – Annoying Warning and Status Messages you can ignore
In this post I want to collect some annoying warning and status messages in the Microsoft 365 Admin Center, you…
Exchange Online – We are preparing a mailbox for the user – Accounts still have an on-premise Mailbox and ExchangeGUID is synced successfully to Office 365
Recently I noticed a strange behavior with Exchange Classic Full Hybrid for users who synced to Office 365 and have…
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