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Troubleshooting issues with page loading

When users encounter page loading issues in one of the Tridion browser-based applications, a number of issues could be the cause. For some, it is possible to identify the cause of the issue by examining the developer tools of the browser.

Cannot access the user interface in Mozilla Firefox

If a user tries to access the user interface's URL through Mozilla Firefox, but instead of gaining access, they see a blank page that never goes away, or possibly they see the login prompt for the identity provider, but it will not go away even after providing correct credentials. These scenarios can happen in Mozilla Firefox if authentication is through a Windows Identity Provider that is configured through Access Management.

To resolve the issue, do the following in the user's browser:

  1. In the browser's address bar, enter about:config.
  2. Select the option to accepts the risk.
  3. Search for the string "network.negotiate-auth.trusted-uris".
  4. Add Access Management's URL to the list of trusted URIs.

Receive error regarding the CORS policy

The error indicates a requested resource is blocked by the CORS (Cross-Origin Resource Sharing). In Chrome, you will see an error similar to the following:

This can occur when the application is secured using Access Management, but the requested URL does not match any redirect URL that is configured in Access Management.

To resolve this issue, open Access Management and go to the Applications list. Check that redirect URLs that are defined for the application, and correct as needed.