Configuring port mirroring failed due to one of hosts was not responding.

Products

• VMware vCenter Server

Issue/Introduction

• One of hosts is disconnected.
• Configure Port Mirroring on vSphere Client.
• vpxd log shows throws following Error:
  <TIMESTAMP> info vpxd[<pid>] [Originator@<number> sub=vpxLro opID=<op_id>] [VpxLRO] -- BEGIN <task_id> -- <dvs_id> -- vim.DistributedVirtualSwitch.reconfigure -- <uuid>(<uuid>)
  <TIMESTAMP> info vpxd[<pid>] [Originator@<number> sub=vspan opID=<op_id>] Updating vspanSession config in VDS [<vds_name>] from configSpec
  <TIMESTAMP> info vpxd[<pid>] [Originator@<number> sub=ipfix opID=<op_id>] [Ipfix::ApplySpecToConfigInfo] updating ipfixConfig in VDS [<vds_name>] configInfo based on what is set in the configSpec.
  <TIMESTAMP> error vpxd[<pid>] [Originator@<number> sub=DvsCore opID=<op_id>] API [reconfigureDistributedVirtualSwitch] on host [vim.HostSystem:<host_id>] failed with exception [Fault cause: vmodl.fault.HostNotConnected
  --> ]

Environment

vCenter Server 8.0 Update 3

Resolution

Connect the failed host back online.