Power Automate Flow Failed

How to fix it

Try these in order — the most common fix is first.

1. 1. Find the failing action

   Copy steps
   1. Select My flows, then your flow
   2. In the 28-day run history select the failed run
   3. Open the step with the red icon and read Inputs and Outputs for the real error
   Did this fix it? Yes No

2. 2. Fix by error code

   Copy steps
   1. 401 or 403: under Connections select Edit, Manage connections, Reconnect
   2. 400 or 404: Edit the flow, correct the action configuration, save
   3. 429: add a Delay or enable retry policy with exponential backoff
   4. 500 or 502: select Resubmit, these are usually temporary
   Did this fix it? Yes No

3. 3. Prevent silent failures

   Copy steps
   1. Add a parallel branch after the risky action
   2. Open ... > Configure run after and check only has failed
   3. Add a Send an email or Teams action with the error details
   Did this fix it? Yes No

Symptoms

A run shows Failed with a red exclamation on an action, or you receive a repair tips email.

Why it happens

• Expired connection (401)
• No permission to the resource (403)
• Renamed or deleted resource (404)
• Changed data or schema (400)
• Throttling (429)
• Transient service error (500, 502)

This guide also covers

• power automate flow failed
• power automate flow run failed
• power automate error

Other Microsoft Power Automate errors

• Power Automate Flow Not Triggering
• Power Automate Connection Error (401 Unauthorized)
• Power Automate Flow Turned Off Automatically
• Power Automate 429 Too Many Requests Error
• Why Is My Power Automate Flow So Slow
• Power Automate Premium License Required Error
• Power Automate Excel Table Not Found Error
• Power Automate Desktop Flow Failing in Unattended Mode