With NWBC it is pretty straightforward to create a desktop shortcut which directly opens NWBC with a defined system/client. The shortcuts look like this on your desktop:
In them you basically you need to define the following components:
- the handler for NWBC which is sap-nwbc
- the url of the server:port as defined in the connections area, e.g. https://tmsystem1.tm.corp:12345/sap/bc/nwbc
- the client in format ?sap-client=123
In total the link looks then like this:
Double clicking on it directly opens the URL.
Some more information can be found here.