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Article ID: 120595, created on Mar 18, 2014, last review on Jul 14, 2018

  • Applies to:
  • Plesk Automation 11.5


I am trying to setup a new service node, but "Prepare node to PA agent installation" task fails with the following error:

SSH communication error: can not connect to socket: No route to host.

When I try to connect via telnet I am getting the same error:

# telnet 22
telnet: connect to address No route to host


There is no access from the management node to the service node.


  1. Fix connectivity issues between nodes.

  2. Cancel failed "Prepare node to PA agent installation" task under Operations > Tasks.

  3. Remove service node under Infrustructure > Service Nodes.

  4. Make sure that service node meet all the requirements using check_service_node utility.

  5. Re-add service node.

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