Article ID: 119371, created on Dec 27, 2013, last review on May 10, 2014

  • Applies to:
  • Plesk Automation 11.5


During upgrade to version 11.5 Service Node upgrade failed with the error:

[LOGTEE]: ['/usr/lib64/plesk-9.0/mail_auth_dump', '-service-node', ''] exited with non-zero status 1
[LOGTEE]: 2013-12-23 02:19:10.513 ERROR POA update failed. Check update log at /var/log/poa-update.log

According to /var/log/poa-update.log PPA Management Node cannot connect Plesk agent on Service Node with the error:

403 Forbidden


  1. Login on Service Node via SSH.
  2. Stop sw-cp-server service:

    # service sw-cp-server stop
  3. Wait about 30-60 seconds.
  4. Start sw-cp-server service:

    # service sw-cp-server start
  5. Make sure that sp-cp-server service is up and running:

    # service sw-cp-server status
  6. Run upgrade procedure once again.

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