"Invalid certificate file" error when browsing empty Azure Container Registry

{% hint style="info" %} Affected versions: 2.13.0 to 2.17.1

Fixed in: 2.18.1 and above {% endhint %}

Issue Description

Users are unable to browse the Azure Container Registry. The following error will appear:

Invalid certificate file. Ensure that the file is uploaded correctly

Cause

This issue is the result attempting to browse an empty Azure Container Registry.

Fix

Upgrade Portainer to 2.18.1 or above.

Workaround

Users will need to manually create create a repository in the Azure Container Registry and while logged in with the Access Key in Portainer, push an image. Users can then navigate back to the Registry and browse.