Service node is marked as unavailable


2016-12-26 08:57:36 UTC


2017-08-18 03:09:48 UTC


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Service node is marked as unavailable

Applicable to:

  • Plesk Onyx for Linux

Note: This article has the reference to the issue with the fix available:

  • #EXTPMS-1214 "After renaming a subscription, its name was not changed in the list of subscriptions on the management node."
    Fixed in:
Please consider updating your server:


The service node cannot connect to the management node, or an unexpected error occurred:

Issues occurred: Plesk on the service node has errors in web server configuration files.


Software bug with id #EXTPMS-1214 which is planned to be fixed in future Plesk updates.



  1. Download file Supervisor.php from the attachment and upload it to the management node (to the /tmp folder, for example)
  2. Backup previous file:
    # cp /usr/local/psa/admin/plib/modules/plesk-multi-server/hooks/Supervisor.php /tmp/Supervisor.php.back   
  3. Copy new Supervisor file to the module:
    # cp /tmp/Supervisor.php /usr/local/psa/admin/plib/modules/plesk-multi-server/hooks/Supervisor.php  
  4. Re-run failed Subscription update tasks in Tasks menu.


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