`console`: `<applet | html5 | vv>` ::

Select the default Console viewer. You can either use the builtin java applet (VNC), an external virt-viewer comtatible application (SPICE), or an HTML5 based viewer (noVNC).

`email_from`: `<string>` ::

Specify email address to send notification from (default is root@$hostname)

`fencing`: `<both | hardware | watchdog>` ('default =' `watchdog`)::

Set the fencing mode of the HA cluster. Hardware mode needs a valid configuration of fence devices in /etc/pve/ha/fence.cfg. With both all two modes are used.
+
WARNING: 'hardware' and 'both' are EXPERIMENTAL & WIP

`http_proxy`: `http://.*` ::

Specify external http proxy which is used for downloads (example: 'http://username:password@host:port/')

`keyboard`: `<da | de | de-ch | en-gb | en-us | es | fi | fr | fr-be | fr-ca | fr-ch | hu | is | it | ja | lt | mk | nl | no | pl | pt | pt-br | sl | sv | tr>` ::

Default keybord layout for vnc server.

`language`: `<de | en>` ::

Default GUI language.

`mac_prefix`: `(?^i:[a-f0-9]{2}(?::[a-f0-9]{2}){0,2}:?)` ::

Prefix for autogenerated MAC addresses.

`max_workers`: `<integer> (1 - N)` ::

Defines how many workers (per node) are maximal started  on actions like 'stopall VMs' or task from the ha-manager.

`migration`: `[type=]<secure|insecure> [,network=<CIDR>]` ::

For cluster wide migration settings.

`network`=`<CIDR>` ;;

CIDR of the (sub) network that is used for migration.

`type`=`<insecure | secure>` ('default =' `secure`);;

Migration traffic is encrypted using an SSH tunnel by default. On secure, completely private networks this can be disabled to increase performance.

`migration_unsecure`: `<boolean>` ::

Migration is secure using SSH tunnel by default. For secure private networks you can disable it to speed up migration. Deprecated, use the 'migration' property instead!

