Discontinuation of Basic authentication for Microsoft Exchange Online as of 10/01/2022

Microsoft is discontinuing the Basic authentication option for Microsoft Exchange Online as of 10/01/2022.

What does this mean?

You must make adjustments if the following circumstances apply to your system environment:

1. You use Basic authentication for d.3one in Microsoft Outlook or d.ecs content crawler.
2. The mailboxes are opened via hybrid settings for Microsoft Exchange or Exchange Online.

Which version of d.3one in Microsoft Outlook is necessary for the adjustments?

To adjust the settings, you need version 1.2.0 of d.3one in Microsoft Outlook. You can install the version with d.velop software manager.

What to do in on-premises scenarios?

Here you find help for the necessary adjustments:

• Preparing the Groupware app's authentication via OAuth 2.0 and EWS in Azure Active Directory
• Preparing the Groupware app's authentication via OAuth 2.0 and Microsoft Graph in Azure Active Directory
• Specifying the registry information from Azure Active Directory for authentication with OAuth 2.0

What to do in hybrid scenarios?

In this case, set up a new Microsoft Exchange configuration for the Microsoft Exchange Online connection. You can find help here: Preparing a hybrid environment with Microsoft Exchange