Cannot add/activate Host in Cluster due to Exception: NumberFormatException: For input string: "10-fcoe"

Solution Verified - Updated -


  • While trying to add a RHEL host as hypervisor in a RHEV cluster I'm getting the following issue:
Host X is compatible with versions (<UNKNOWN>) and cannot join Cluster Y which is set to version 3.2
  • A RHEV Hypervisor registration with rhevm failed with below error in event log :
Host <host_fqdn> installation failed. Failed to configure management network on the host.


  • Red Hat Enterprise Virtualization 3.2
  • Red Hat Enterprise Linux 6.4 as RHEV Hypervisor
  • vdsm earlier than 4.10.2-27.0 version

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