
ArunM.23291 (Customer) asked a question.
import of office365 user is successful and matching & confirming the user with local okta user also done and ensured the immutable ID is same on okta user and Office 365 user. User is assigned to this O365 app but still getting "Office 365 Login Failure,
Your account has not been configured for this application"

Hi Arun
Apart from Molly's suggestion (a very good one), I would check the licensing on O365 Admin Portal since you are stating that ImmutableID integrity/pushing/mapping is fine and is most common topic referred as possible root cause of your issue.
From my side, I would recommend you the following:
Feel free to request further inputs, suggestions or support.
Best regards.
KIND REMIND: Please give a Like if hints are simply useful or solve your question/issue.