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Fix Power Automate Forms Connection Invalid When Activating Flow

Maira MehtabMaira Mehtab Sep 20, 2026 869 views

Question details

The user is unable to activate a flow in Power Automate because the associated Microsoft Forms connection is flagged as invalid or inaccessible.

Product
Microsoft Power Automate
Device & OS
not provided
Scenario
Activating an automated flow that relies on Microsoft Forms as a trigger or action.
Observed behavior
Power Automate blocks flow activation and displays an error stating the Microsoft Forms connection cannot be used due to being invalid, prompting the user to replace it or contact the connection owner.
Before you start

Verify that your Microsoft account password has not recently expired and that you have the necessary administrative permissions to edit the affected Microsoft Forms and Power Automate flow.

Solution 1Recommended

Recreate the Microsoft Forms Connection

Replacing the broken connection refreshes your authentication tokens and resolves most invalid connection errors.

Authentication tokens for external services like Microsoft Forms can expire or become corrupted due to password changes or security policy updates. Deleting and recreating the connection ensures Power Automate has the correct access rights.

1
Navigate to Data Connections

Log into Power Automate, expand the 'Data' menu on the left sidebar, and click on 'Connections'.

2
Delete the invalid connection

Locate the Microsoft Forms connection in the list, click the ellipsis (...) next to it, and select 'Delete'.

3
Add a new connection

Click 'New connection' at the top of the page, search for Microsoft Forms, and sign in with your active Microsoft 365 credentials.

4
Update the flow

Open your broken flow in edit mode, select the Microsoft Forms trigger or action, and assign the newly created connection before saving and testing the flow.

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Frequently Asked Questions

Why did my Microsoft Forms connection suddenly become invalid?

Connections typically break when the user's password expires, Multi-Factor Authentication (MFA) settings are modified, or organizational IT policies revoke the app's permissions.

How do I fix the error if I am not the owner of the connection?

You must contact the user who originally created the connection and ask them to either repair the connection in their account or share the flow so you can replace their connection with your own.

Does WPS Office offer alternatives to Microsoft Forms?

Yes, WPS Office includes robust PDF editing capabilities that allow you to create interactive, fillable PDF forms, which can be easily distributed and collected without requiring complex cloud automations.

Can I transfer ownership of a flow if the original creator leaves the company?

Yes, a Microsoft 365 global admin or Power Platform admin can reassign ownership of the flow to an active user via the Power Platform admin center.