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Server Offline. Duplicate device name or network identifier alarms received


Automation Servers go OFFLINE

Alarms received about duplicate device name and/or duplicate network identifier.

Product Line

EcoStruxure Building Operation


  • Enterprise Server, ES
  • Automation Server, AS, AS-P, AS-B
  • BACnet


In the BACnet interface duplicate information has been entered for the BACnet IP network for 2 or more Automation Servers.


Make sure the BACnet IP network and broadcast address in the BACnet interface of the ES and all the Automation Servers  are set to a unique value and they match the IP address of the Server (AS, ES)

You may have to physically disconnect the units from the network and then connect one at a time in order for Workstation to be able to communicate with the AS and change the configuration of the BACnet IP network.


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