Beginning in early 2021, Microsoft began to disable BASIC authentication to Microsoft 365.
This affects Service Desk Manager users as some organizations leverage mailboxes located in Azure/Microsoft 365.
Broadcom has enabled OAuth 2.0 support to allow connections to Microsoft365 mailboxes.
OAuth2.0 documentation exists in many locations and this KB will serve as a central hub to find necessary KBs
Service Desk Manager 17.3 RU4 and Higher
Microsoft365/Azure
OAuth 2.0 support is announced in 17.3 RU4
MANDATORY post installation steps:
Note: Each RU patch has these steps as post installation steps. Please check the appropriate post installation for your RU version.
Configuration TechDocs
Configuration KB
https://knowledge.broadcom.com/external/article?articleId=216187
Administrative Consent
Some user environments do not want to give security permissions to the mailbox users in Azure.
In response, we have enabled support for Administrative Consent where an administrator is allowed to consent to generate an OAuth token
This feature was introduced in RU11
If the environment is configured as above and the functionality still doesn't work, please check the Knowledge Base and RU patch releases to see if you are running into an already resolved defect
Single Tenant Applications in Azure are now supported in RU21 and higher
Microsoft Announces Deprecation of BASIC authentication to Azure/Microsoft365:
Required Allowed URLs and IP Address Ranges
OAuth Code Flow
https://learn.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-auth-code-flow