Error: "Callback Handler Failed. CAUSE: Access_denied (Invalid Network Change. Login Again From a Trusted Network.)"

Knowledge Articles
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Overview

This article explains the following error that can occur when a user attempts to log in to the Auth0 Dashboard via https://auth0.com and click Login.

Callback handler failed. CAUSE: access_denied (Invalid network change. Login again from a trusted network.)

This error may appear on the first login attempt. A subsequent attempt after refreshing the page is often successful.

Applies To

  • IP addresses
  • VPN
  • Log in

Cause

IP address is changing within the same session.

Solution

The solution must be implemented on the user’s network to ensure the same IP address is presented to Auth0 for the duration of the login transaction.

Potential workarounds include:

  • Configure Session Stickiness: For users behind a proxy or load balancer, network administrators can enable “session stickiness”. This ensures all requests from a single user session are sent through the same exit node, preserving the source IP address.
  • Use Alternative Routing: Implement DNS name routing to maintain a consistent IP address.