Which licenses do you require on which station when you use the different WinCC options?
A license overview is available in the following PDF.
WinCC_Options_License_V7_e.pdf ( 62 KB )
No WinCC licenses are needed on a WinCC web client except if you are operating a WinCC/WebNavigator diagnostics client.
The compatibility of the WinCC options is given in Entry ID: 64847781.
Authorization, Order, Package