
r3i40 (r3i40) asked a question.
We are trying to configure SSO login for Microsoft 365 via Okta with WS-Federation sign-on method by remaining the existing credential in Microsoft 365. We followed the official documentation to configure WS-Federation but we encounter error "User is not assigned with the application" when we were testing to login to Microsoft 365 via Okta. Could anyone provide detailed steps for configuration or the solution to solve the error message above? Thank you.

Hi @r3i40 (r3i40) , thank you for contacting Okta Community.
This topic has several articles published that I think you may find helpful:
WS-Fed app integrations
Configure WS-Federation for Office 365
Configure Single Sign-On for Office 365
Provision users to Office 365 (includes how to enable provisioning and attribute mapping)
Office 365 integration FAQs
These should give you a better understanding of WS-Fed in Okta and how to integrate Microsoft Office 365 with Okta. Please look over them.
Regards.
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