fence_vmware_soap fails with error 'Unable to connect/login to fencing device' in a RHEL High Availability cluster

Solution Verified - Updated -


  • The fence_vmware_soap agent is failing with following error message:

    # fence_vmware_soap -a -l user1 -p password -o list -z
    No handlers could be found for logger "suds.client"
    Unable to connect/login to fencing device

    But we are able to login to the vCenter web interace using the same username and password.


  • Red Hat Enterprise Linux (RHEL) 5, 6, 7, 8 or 9 with the High Availability Add On
  • One or more VMware virtual machines operating as a cluster node
  • Using fence_vmware_soap as the fence/agent for one or more nodes

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