When you install xen with the default settings and try to connect to the Xen hypervisor with virt-manager You might get the following error message :
Unable to open a connection to the Xen hypervisor/daemon. Verify that
- a xen host kernel was booted
- the xen service has been started
The default Xen configuration file /etc/xen/xend-config.sxp has a parameter called – xend-unix-server.
On debian squeeze the default value for this parameter is “no” which means that communication and management toos
Such as “Virt Manager” can not access the Hypervisor.
1. You need to uncomment it and change the value to “yes” –
2. Restart xend to apply the new configuration: