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Article ID: 123510, created on Nov 13, 2014, last review on Nov 13, 2014

  • Applies to:
  • Operations Automation
  • Business Automation


In PBA-E Plesk license has Installation Failed status.


In POA Task Manager task Plesk in VPS VPS_ID : install license (where VPS_IS is id of vps on subscription for which license installation failed) show the error(even if its status successful):

https://VPS_IP:8443/enterprise/control/agent.php : The requested URL returned error: 503

It means that port 8443 is not accessible on the VPS for incoming connections, as a result POA cannot install license to it.


Please make sure that Paralells Plesk Panel is running, also please chech if port 8443 is open on firewall.

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