Exchange/Outlook Download Offline Address Book Error 0x80190194
In case you will get during an attempt to download the offline address book from Exchange Server the following error...
Exchange Online – Plus Addressing
For Exchange Online you can use since September 2020 Plus Addressing. With Plus Addressing your users can create own custom...
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...
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...