59859: Acronis Cyber Backup 12.5: "Failed to connect to the management server" during upgrade from v.12

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Applies to: 

Last update: 01-05-2020

Symptoms

  1. You want to upgrade Acronis Cyber Backup 12 to Acronis Cyber Backup 12.5.
  2. Acronis Management Server is upgraded successfully.
  3. Upgrading agents fails with:
    Failed to connect to the management server.

Cause

Issue in the product.

Solution

The issue has been fixed in Update 1 (build 7641). Please update to the latest build.

As workaround without updating the product, click Change and specify Acronis Management Server address manually.