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Fix Microsoft Forms Link Returning 404 in Power Automate Email
Question details
A Microsoft Forms link sent via a Power Automate notification email leads to a 404 error page for recipients.
- Product
- Microsoft Forms and Power Automate
- Device & OS
- not provided
- Scenario
- A user has set up a Power Automate flow to send an automated email containing a link to a Microsoft Form, but recipients cannot access the form to submit responses.
- Observed behavior
- When recipients click the link in the email, they are redirected to a page that says '404 - We cannot find that form', despite the form owner still having full access to it.
Ensure you are logged into the Microsoft 365 account that has owner or co-author permissions for the form in question before modifying its sharing settings.
Generate a New Response Link with Correct Permissions
Use this solution to replace an internal owner editing link with a proper public response link to prevent access issues for recipients.
The most common cause of a 404 error in this scenario is accidentally copying the URL from the browser's address bar while editing the form. This URL is an editing link, which is restricted to the form owner. To resolve this, you must generate a dedicated response link with appropriate sharing permissions.
Log in to Microsoft Forms and click on the specific form you want to share via your automated email.
Click the 'Collect responses' or 'Share' button located in the top right corner of the screen.
From the drop-down menu, select the correct audience. Choose 'Anyone can respond' if the email will go to external users, or 'Only people in my organization can respond' if it's for internal use only.
Click the 'Copy link' button to copy the newly generated response URL to your clipboard.
Open your Power Automate flow, edit the 'Send an email' action, delete the old link, and paste the newly copied response link. Save and test the flow.
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Frequently Asked Questions
Why does the Microsoft Forms link work for me but give a 404 error to email recipients?
As the form owner, you have access to the internal editing URL (often copied from the browser address bar). Email recipients do not have owner permissions, so accessing the editing URL results in a 404 error. They need a specifically generated 'response link'.
Can I allow people outside my organization to fill out the Microsoft Form?
Yes. When generating the link in the Share or Collect Responses menu, change the permission setting to 'Anyone can respond'. This allows external users to access and submit the form without needing to sign in to a Microsoft account.
Will updating the form link break my existing Power Automate flow?
No. Replacing the hyperlink text in the 'Send an email' action of your Power Automate flow simply redirects the recipients to the new URL. It does not affect the triggers, logic, or structure of your flow.
