Acronis Cyber Protect: Remote installation of agent fails with error „HTTP 402“

Symptoms

Remote installation, update or auto-update of the agent fails with error: "Failed to connect to machine https://xx.xx.xx.xx:9877. HTTP status code 402"
After installation, agent is not registered in Management Server.

This issue is fixed in Acronis Cyber Protect 15 Update 5. Please update to the latest Build.