SCS KB 1118: Agent unregistration failed

Applies to:

• Acronis SCS Cyber Backup 12.5 Hardened Edition

Symptoms

• Manual unregistration fails with error 405

• When attempting to re-register an agent the following will be shown in the cli:

  • 403
    
    {"context" :
    {"$module" : "mms_rest_api_vsa64_17000"
    },"domain" : "global",
    "origin" :
    {"code" : 403,
    "fields" :
    {"$module" : "mms_rest_api_vsa64_17000"},
    "linetag" : "0x487816542fd36973, e:\\307\\enterprise\\rest_api\\agent\\registration.cpp:984, AgentRestApi::`anonymous-namespace'::Register",
    "module" : 0,
    "suberror" : null,
    "text" : "Registration of already registered agent is disabled for security reasons. Please reinstall the agent if you want to change the registration."
    },"reason" : "internalError",
    "serCode" : "0x00000193"
    }

Root Cause

As of update 4.10 its no longer possible to unregister agents without uninstallation for security purposes.

Workaround

Uninstall and reinstall the agent.