User keeps randomly getting logged out of M365 apps

James Lerch 0

I have a users that keeps randomly getting logged out of all their Microsoft App. I am trying to track down which is causing it. Is there a good way to track this down?

I will say that when I log into Proofpoint (SSO) and it idle times out I get logged out of all my other Microsoft sessions. If there is a setting to stop this from happening I would appreciate that as well. To note: this does not happen because of our conditional access policy which is a 1 day reauthenticate. This happens from the Proofpoint timeout setting for 30 minutes but it logs me out of everything else when it happens.

Harshitha Eligeti 1,210 Reputation points Microsoft Vendor

2024-12-12T23:46:27.66+00:00

Hi @ James Lerch •

Thank you for sharing your issue on Microsoft Q&A.

I understand that you are encountering an issue of users being logged out of M365 apps when using Proofpoint SSO, particularly after idle timeouts and you are getting logout of all your other Microsoft sessions.

As you mentioned, the issue is not related to the Conditional Access policy, which requires 1- day reauthentication. It occurs when the Proofpoint timeout is triggered after 30 minutes, causing you to be logged out of all other M365 apps.

At this point this issue occurs in different scenarios: The idle session timeout in Microsoft 365 is a tenant-wide feature and will apply to all users.

When a user has been inactive in Microsoft 365 web apps for a set amount of time, they will see the following prompt. The user will have the option to stay signed in or to sign out.

For additional information refer this links: Idle session timeout for Microsoft 365 - Microsoft 365 admin | Microsoft Learn

Session timeouts for Microsoft 365 - Microsoft 365 Enterprise | Microsoft Learn

Hope this helps. Do let us know if you have any further queries.

Best Regards.
Harshitha Eligeti.
James Lerch 0 Reputation points

2024-12-13T17:04:12.78+00:00

Thank you for the information.

To me it seems that when Proofpoint's session times out is expires the O365 authentication token and I have to relog into all my apps. Is there a setting to fix this or would I need to change the time out settings in the application itself.

This is also an example as I have multiple users complaining they will get logged out multiple times a day and have to authenticate. For this is there a way to track down which application expires the token?
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Harshitha Eligeti 1,210 Reputation points Microsoft Vendor

2024-12-19T00:17:11.9266667+00:00

Hi @ James Lerch •
The issue of users being logged out of Microsoft 365 apps can be related to session timeout settings.

If your organization is experiencing frequent logouts, you may want to check and adjust the idle session timeout settings. Additionally, if you are using third-party applications like Proofpoint, their session management could also influence the authentication tokens, leading to unexpected logouts.

To track down which application is expiring the token, you may need to review the session management settings of those applications and see if they are aligned with your Microsoft 365 settings.

Hope this helps. Do let us know if you have any further queries.

Best Regards.
Harshitha Eligeti.
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This comment has been deleted due to a violation of our Code of Conduct. The comment was manually reported or identified through automated detection before action was taken. Please refer to our Code of Conduct for more information.
Harshitha Eligeti 1,210 Reputation points Microsoft Vendor

2024-12-20T20:22:10.69+00:00

Hi @ James Lerch •
We haven’t heard from you on the last response and was just checking back to see if you have a resolution yet. In case if you have any resolution please do share that same with the community as it can be helpful to others. Otherwise, will respond with more details and we will try to help.
Harshitha Eligeti 1,210 Reputation points Microsoft Vendor

2024-12-24T22:17:14.8133333+00:00

Hi @ James Lerch •
We haven’t heard from you on the last response and was just checking back to see if you have a resolution yet. In case if you have any resolution please do share that same with the community as it can be helpful to others. Otherwise, will respond with more details and we will try to help.

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User keeps randomly getting logged out of M365 apps

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