Power Platform – Power Automate Flow errors after MFA enabled

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Hello Everyone,

Hope you all are doing well.

Today issue and solution – lesson learned

We have good number of articles on Power Platform, please have a look.

https://knowledge-junction.in/category/technology-articles/power-platform/

So without getting late, lets get started.

Background

• As one of the security consideration in our Tenant we have enabled Multi Factor Authentication (MFA).
• Few of our Power Automates are written using individual connection rather service account.
• As we have enabled MFA , our Power Automates which were using individual connection are stopped working.

So in this article we will discuss what errors exactly happened, solution and best practice

Issue / Error

Error from token exchange:

Runtime call was blocked because connection has error status: Enabled| Error, and office365users is in the block list.

Connection errors: [ParameterName: token, Error: Code: Unauthorized, Message: ‘Failed to refresh access token for service: office365usercertificate.

Correlation Id=f48dde82-f6d8-4ad6-946d-43a67f66300e, UTC TimeStamp=3/10/2023 3:46:19 PM, Error: Failed to acquire token from AAD: {“error”:”interaction_required”,”error_description”:”AADSTS50076:

Due to a configuration change made by your administrator, or because you moved to a new location, you must use multi-factor authentication to access ‘00000003-0000-0000-c000-000000000000′.\r\nTrace ID: 481cfa8f-a385-4a3b-aee5-b6347912d600\r\nCorrelation ID: 166f8394-ec52-48f4-88a8-e7e4284ce13e\r\nTimestamp: 2023-03-10 15:46:19Z”,”error_codes”:[50076],”timestamp”:”2023-03-10 15:46:19Z”,”trace_id”:”481cfa8f-a385-4a3b-aee5-b6347912d600″,”correlation_id”:”166f8394-ec52-48f4-88a8-e7e4284ce13e”,”error_uri”:”https://login.windows.net/error?code=50076″,”suberror”:”basic_action”,”claims”:”{\”access_token\”:{\”capolids\”:{\”essential\”:true,\”values\”:[\”5494b4bd-c2da-4819-9b4d-e2c391e5c5e8\”]}}}”}’]

Details

• Authentication error for connections which are using individual connections.
• We need to re-authenticate/fix the connections.
• We are not getting Office365Users details because of connection has error or Office365Users in block list.
• Due to unauthorized access tokens flow failed.
• Runtime call blocked because of the connection error.

Solution / Approach

Re-Sign with credentials – reauthenticate / fix the broken connections used or create new connections.

Best Practice

• Use service account for implementing Power Automates rather using individual account for connections.

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Hope this article will help you to resolve the Power Automate Flow error.

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