MailStore – “AADSTS700054: response_type ‘id_token’ is not enabled for the application.” login to the archive with M365 credentials is not possible
ID: 14879
Summary
In MailStore, when you’re connecting to the archive, the following error occurs:
AADSTS700054: response_type ‘id_token’ is not enabled for the application.
This issue was reported in (but may not be limited to):
- MailStore Server
- MailStore SPE
Cause
The ID token in the Entra ID was not set.
Resolution
In the Implicit Approval and Hybrid Flows section, perform the following action:
Enable the ID Token option.