Hi, Libvirtd is in listen mode. /etc/libvirt/libvirtd.conf listen_tls = 0 listen_tcp = 1 auth_tcp = "sasl" my trying to setup polkit authentication using http://wiki.libvirt.org/page/SSHPolicyKitSetup [root@aopcach ~]# cat /etc/polkit-1/localauthority/50-local.d/50-org.arindam-libvirt-remote-access.pkla [Remote libvirt SSH access] Identity=unix-user:arindam Action=org.libvirt.unix.manage ResultAny=yes ResultInactive=yes ResultActive=yes but it fails with: [arindam@aopcach ~]$ virsh -c qemu+ssh:///system arindam@localhost's password: error: authentication failed: polkit\56retains_authorization_after_challenge=1 Authorization requires authentication but no agent is available. error: failed to connect to the hypervisor