What ports are used by VNC Manager when working with a remote computer?
VNC: 5900 (default), RDP: 3389 (default) WMI is used for all management features, which means that WMI ports must be open on a remote computer. VNC Deployment Wizard requires access to ADMIN$ or any other writable share on remote computer. The ports can be opened using Group Policy Editor. Start “gpedit.msc” snap-in. Navigate to Computer Configuration->Administrative Templates->Network->Network Connections->Windows Firewall->Domain/Standard Profile and enable the following values: Allow Remote Administration Exception and Allow File and Printer Sharing Exception.