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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Node Error Code 1231 - PING Transmit Failed

Node Error Code 1231 - PING Transmit Failed

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Updated October 24, 2017



ipv6 fail.png


This error results from the Orion server attempting to ping an IPv6 node on the network that is not accessible.


  • NPM
  • IPv6 nodes monitored via ICMP.


This is an unreachable IPv6 node error. This is a generic Microsoft error that is returned when a ping to an IPv6 node fails.



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