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Article ID: 118856, created on Nov 26, 2013, last review on May 10, 2014

  • Applies to:
  • Odin Business Automation Standard 4.x


Unable to register VZ hardware node in PBA-S. The following error is shown in PBA-S Action Log:

[VZI/Common]: Unknown Virtuozzo interface specified '' for HSPC::OnDemand


found errors: Hardware Node with the same hostname has already been registered. 


VZ node with the same hostname is already registered in PBA-S.


Look into DEBUG PBA-S log to get the exact hostname:

[2013/11/22 17:40:03] [DEBUG] [23086] [HSPC::VZAgent::VZA46::Transport::send_pkt] Raw packet sent to %VZ_node_IP_Address%:
<packet id="12" version="4.0.0" xmlns:ns1="" xmlns:ns2="" xmlns:xsi="">

[2013/11/22 17:40:03] [DEBUG] [23086] [HSPC::VZAgent::VZA46::Transport::recv_pkt] Raw packet received (BLOCK) from %VZ_node_IP_Address%: <?xml version="1.0" encoding="UTF-8"?><packet xmlns:ns2="" xmlns:ns1="" xmlns:ns3="" xmlns:xsi="" time="2013-11-22T10:08:14+0000" type="0" id="12" priority="0" version="4.0.0">
<ns2:hostname>"%Hostname%"</ns2:hostname>        <= note the hostname

To resolve the issue, please find out which node uses the "%Hostname%" hostname:

Top > Service Director > Virtuozzo Manager > Nodes > %Shortname% > General Settings: Hardware Node name

Either change hostname of the registered VZ node or change the hostname of the node you are registering.

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