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Universal Editor loads incorrect AEM author instance in AEMaaCS

Last update: Mon Dec 08 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

In Adobe Experience Manager as a Cloud Service (AEMaaCS), accessing the Edge Delivery Services (EDS) index page in Universal Editor on an author instance loads content from a different author environment. For example, opening https://author-<program-id>-<environment-id>.adobeaemcloud.com/ui#/aem/sites.html/content/example-eds/index results in a canvas URL like https://author-<program-id>-<environment-id>.adobeaemcloud.com/ui#/@example/aem/universal-editor/canvas/author-<program-id>-<environment-id>.adobeaemcloud.com/content/example-eds/index.html, where the first author URL should match the second. The mismatch happens because the externalizer settings are misconfigured. To resolve the issue, update the externalizer and EDS configuration correctly.

Description description

Environment

Adobe Experience Manager as a Cloud Service (AEMaaCS) – Sites

Issue/Symptoms

  • Accessing the Edge Delivery Services index page in Universal Editor on an AEM author instance results in data being fetched from a different, incorrect author instance.
  • The canvas URL in Universal Editor references another author environment instead of the current one.

Resolution resolution

Follow these steps to resolve the issue:

  1. Navigate to Tools > Cloud Services > Edge Delivery Services Configuration in the affected author instance.
  2. Confirm that the Organization and Site Name match the values in fstab.yaml and paths.json files.
  3. Save or redeploy the configuration after making changes. Note: Ensure any configuration changes are validated and deployed through Cloud Manager to maintain environment consistency.
  4. Open the com.day.cq.commons.impl.ExternalizerImpl configuration and verify it does not reference another author instance.
  5. Remove any incorrect externalizer entries pointing to other environments.
  6. Publish the /content/example-eds/index page from the correct author instance, ensuring it is not only present in another environment.
  7. Re-access the EDS index page and confirm it loads from the intended author environment.
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