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Office365 OAuth2 AADSTS50059: No tenant-identifying information…

When using OAuth2 in Office 365 you may run into error: “AADSTS50059: No tenant-identifying information found in either the request or implied by any provided credentials“.

AADSTS50059 - No tenant-identifying information...

This error usually means one of the following:

  • The supplied OAuth2 client ID is wrong;
  • Your client-id is not ‘Multi-tenant’;
  • Your client-id does not allow public client flows.

Find out how to setup a client ID for use with desktop application here.