Use vnckeygen to generate private/public keys, you may see unexpected connection close or private key not found in logs.
Enterprise version is using system authentication by default, to change it to vnc password, the straight way that I found is editing vncserver script and add below line where cal the Xvnc.
To find out where a windows bat file is and most likely use it to adjust configuration, library, classpath, etc on the same folder use below
command to switch to that