HP Thin Client Setting up VNC Password

Hi All,

I have followed the stpes given in below article but i am unlucky to get the password prompt for VNC connection and getting the vnc connection without password.

Link : https://support.hp.com/in-en/document/c03837090

I have reviwed below keys on thin client (T520) but no luck

root/vncserver/coreSettings/vncUsePassword =1

root/vncserver/coreSettings/vncPassword=value set

root/vncserver/gui/VNCShadowManager/widgets/vncUsePassword=active

Could you shed some light on this ?