Symptoms

Domain in OA Plesk VPS shown in Hosted Domains has In Sync status value - No.

Corresponding failed task in OA:

Task ID 20862614
Task name   Plesk in VPS 6903 : configure zones for 'domain.tld'
Task description    Plesk in VPS 6903 : configure zones for 'domain.tld'
Subscription ID 1013096
Queue name vps_operations_6903
Method name configureDomainZone
Execution status    Failed
Start not earlier than  May-24-2015 14:42
Finished May-24-2015 14:42
Output https://10.10.10.10:8443/enterprise/control/agent.php : protocol misconfiguration

After enabling Plesk DEBUG log level, there are the following API request and response

[2015-05-24 14:42:43] DEBUG [api-rpc] Incoming API-RPC request [3002bae7467e83c9f4654ebbaca8dec5]:
<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<packet version="1.4.0.0">

  <dns>
    <get_rec>
      <filter>
        <domain_id>14</domain_id>
      </filter>
    </get_rec>
  </dns>
</packet>
...
[2015-05-24 14:42:43] DEBUG [api-rpc] API-RPC response [3002bae7467e83c9f4654ebbaca8dec5]:
<?xml version="1.0" encoding="UTF-8"?>
<packet version="1.4.0.0">
  <dns>
    <get_rec/>
  </dns>
</packet>

After enabling TRACE debug log level in OA, the following lines are displayed:

Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]: [task:20948341 PleskBridge::ServiceGateway::passControl] logPleskPacketRequest
Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]: <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]: <packet version="1.4.0.0">
Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]:   <dns>
Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]:     <get_rec>
Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]:       <filter>
Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]:         <domain_id>56</domain_id>
Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]:       </filter>
Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]:     </get_rec>
Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]:   </dns>
Nov 18 08:30:55 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]: </packet>
Nov 18 08:31:05 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]: [task:20948341 PleskBridge::ServiceGateway::passControl] logPleskPacketResponse
Nov 18 08:31:05 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]: <?xml version="1.0" encoding="UTF-8"?>
Nov 18 08:31:05 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]: <packet version="1.4.0.0"><dns><get_rec></get_rec></dns></packet>
Nov 18 08:31:05 osscore : TRC [task:20948341:677152 1:21456:b2b91b90 PleskBridge]: [task:20948341 traverseTree] key = /packet@version, value = 1.4.0.0
Nov 18 08:31:05 osscore : DBG [task:20948341:677152 1:21456:b2b91b90 lib]: [task:20948341 PleskBridge::PacketParser::returnNodeValue] {module_id="PleskBridge"; code="4"} https://46.41.129.251:8443/enterprise/control/agent.php : protocol misconfiguration

Cause

The task fails due to missing DNS-records in Plesk for the affected domain.

Resolution

Restore the DNS-zone for the domain using Plesk GUI at

Home > Subscriptions > domain.tld > Websites & Domains > domain.tld > DNS Settings > Restore Defaults 

Internal content