KVM guest will not start with error "Unable to read from monitor: Connection reset by peer"

Solution Verified - Updated -

Issue

  • KVM guest will not start with virsh start <guestname>. This errors with the output
Error polling connection 'qemu:///system': Unable to read from monitor:
 Connection reset by peer

Environment

  • Red Hat Enterprise Linux 6.3 (virtualization host)
  • Red Hat Enterprise Linux 5 and 6 (virtual guest)
  • KVM Virtualization

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