Resolving authentication errors
One of the most common flow errors is due to an authentication failure. Consider the following error report email:
Figure 19.8: Flow authentication error
This error can occur when multifactor authentication is newly enabled for an account, your credentials have changed, or the user account used in a connection is no longer valid.
Common authentication error messages include the term Unauthorized or may display an error code of 401 or 403. These error codes generally indicate that the username and password combination is incorrect or that there is some other security issue. If the username and password are correct, a 403 error code may mean that the account you’re attempting to use to access a resource does not have the required permissions.
To resolve authentication errors, sign in to Power Automate, edit the flow, and then update the connection settings. Look for an action with an error and expand the title bar to update...
