My flow's connection needs to be signed-in again

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Posted on by Mabel

Hi Team, Good day.

I have a question with Power Automate flow's connection.

Today, I received the email shown as below picture, alert me that "my flow's connection needs to be signed-in again". The most common cause is a changed password or a policy set by your tenant administrator.

But I haven't changed my password recently. Then I think the reason may be "a policy set by your tenant administrator". What does this policy mean? Is there any way to avoid such a sudden situation?

Sometimes there is a delay in the arrival of the alert email, which will lead to the delay of urgent cases in the project.

I hope to receive your answer. Thank you!

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lbendlin 8,479 Super User 2025 Season 2 on at

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What is your authentication method? OAuth tokens do expire from time to time, for example.

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Mabel 34 on at

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Thanks for your reply.
My understanding may not be comprehensive. If what I said is wrong, I hope you could correct me.
We bind the company's account through the Authenticator. Each time we log in, a six digit one-time password will be generated to verify the login.
However, not everyone's Power Automate connection will invalid frequently. Most of them will not have problems. Only one person's account connection has invalid twice.

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lbendlin 8,479 Super User 2025 Season 2 on at

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You use MFA but the end result is still an OAuth token. These tokens expire. There is a renewal token that can be requested by the system. Maybe that user's renewal process is broken.

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Mabel 34 on at

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Thank you, I understand. Allow me to ask one more question, how does this user request a renewal token?
Now every time the Power Automate is interrupted, she needs to re-authenticates the connection. It doesn't feel like a permanent solution.

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lbendlin 8,479 Super User 2025 Season 2 on at

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see if this helps
Solved: Need for re-authentication - Power Platform Community (microsoft.com)

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