The security scheme(s) to offer for incoming connections, or "" to determine using the Encryption and Authentication parameters.
THIS IS A LEGACY POLICY SETTING. The corresponding VNC parameter applies only to VNC 5.2 and below. It is ignored by VNC 5.3 and above, and only needs to be set
if policy is being deployed to computers running VNC 5.2 or below.

The default value for this VNC parameter is "".

If you enable this policy setting, the corresponding VNC parameter will be set to the value you specify.

If you disable this policy setting or do not configure it, the corresponding VNC parameter will use the default or user-specified value.

Supported on: Windows 10


Registry PathSoftware\Policies\RealVNC\vncserver
Value NameSecurityTypes
Value TypeREG_SZ
Default Value


Administrative Templates (Computers)

Administrative Templates (Users)