In Power Apps Portals, when a user tries to reset their password, they may run into an error message “An unknown failure has occurred. Error ID #”:

To resolve this, go to the Send Password Reset To Contact process and click on View Properties:

We see the From email is the owner of the contact. If the contact is a portal-created contact, the owner is the SYSTEM account:


To fix this, you can change the from email to another user’s email. Deactivate the process, and add a Dynamics 365 user:

Activate the process, and the email should work:



Explore AI, agents & Microsoft technology.
I share practical ideas, tutorials, and videos about AI, AI agents, Microsoft technologies, and the Power Platform.
Subscribe on YouTube →
Hi,
This can’t be done in a managed environment and also, it seems that the latest power apps Portal version is very different from this article.
Is there any update re this issue?
Hello Carl De Souza I wanted to ask that does the user need to have an E5 or E3 License to send the Email