Multi-factor authentication (MFA) and Azure Information Protection
Rights Management connector requirements
The Rights Management connector and the Microsoft Purview Information Protection scanner do not support MFA.
If you deploy the connector or scanner, the following accounts must not require MFA:
The account that installs and configures the connector. [User2]
The service principal account in Microsoft Entra ID, Aadrm_S-1-7-0, that the connector creates.
The service account that runs the scanner. [User3]
Reference:
https://learn.microsoft.com/en-us/azure/information-protection/requirements-azure-ad