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Flow can be used by owner but fails with all other users InvokerConnectionOverrideFailed

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Posted on by Community Power Pla... Microsoft Employee

I really hope somebody might help me wit hthis, since I am stuck for days now.

I have a Power App with a Flow and different connections (Sharepoint, Teams, Exchange).

When I publish the app I can use it and it works very well, but as soon as somebody else uses it the InvokerConnectionOverrideFailed error appears. I tried readding the flow to powerapps, I tried exporting and importing the power app, nothing works.

I created a second flow for test purpose and a dummy power app. The new flow, (lets call it flow2) can not be used with the old power app as the same error appears when a different user runs the app, again InvokerConnectionOverrideFailed. The old flow can also not be used with the new power app, same issue here again, InvokerConnectionOverrideFailed. Rebuilding both completely would be very time consuming and I dont know if it would do any good.

The flow and power app are shared with all other users who are co-owners. I really dont know how to fix this.

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Jeff_Thorpe 6,085 Super User 2024 Season 1 on at

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Do the users have access to the data that flow is connecting to? A flow kicked-off from Power Apps is running under the user's context, so that user will need access to the data that the flow is connecting to.

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Community Power Pla... Microsoft Employee on at

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Hello Jeff,

thanks for your reply.
Yes they all have access to all the data.

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Jeff_Thorpe 6,085 Super User 2024 Season 1 on at

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Another troubleshooting step would be to have one of the co-owners go into Power Automate "Shared with Me" and run the flow and see what happens.

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Community Power Pla... Microsoft Employee on at

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I have finally found the solution!

The problem was that when posting in Teams I have used a test team where the service user had access to.
After I switched to production I forgot to change the connection for teams. Although it should be expected that when run the user context takes over and the service user is not important, it appears I had to change the default connection for the flow to a user who has access in order for it to work.

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