
vf44l (vf44l) asked a question.
Hello! I wanted to reach out and ask for some insight on this issue. Some of the users who are created in Okta and provisioned to O365 have to reauthenticate every 24 hours, I noticed that some profiles in Azure don't have the "Sign in sessions valid from date time" attribute populated. Not every user is affected by this problem though, its only the ones without that above attribute populated.
I've been trying to figure it out for a little while but am unable to come to a resolution. Any help would be greatly appreciated.

Hi @vf44l (vf44l) , Thank you for reaching out to the Okta Community!
Once the user signs into the app through Okta, it's up to the app to determine how long the session is valid.
In my experience Outlook automatically refreshed the session timeout on the desktop client.
Also check "Azure Active Directory (Used by Office and Microsoft 365 applications in Windows clients with modern authentication enabled)"
https://learn.microsoft.com/en-us/microsoft-365/enterprise/session-timeouts?view=o365-worldwide
I don't want to send you down the wrong troubleshooting rabbit hole, so I would recommend checking with Microsoft Support. In the mean time maybe the following articles apply to your case:
https://learn.microsoft.com/en-us/outlook/troubleshoot/authentication/outlook-prompt-password-modern-authentication-enabled
https://learn.microsoft.com/en-us/outlook/troubleshoot/authentication/continually-prompts-password-office-365
Either way, I would recommend isolating the issue and confirming it's related to the accounts and not the specific devices.
If my answer helped, remember to mark it as best to increase its visibility for other members of the Okta Community who might have the same questions as you.
Hope my answer helps!
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