Symbolic Link is a functionality available on Linux platform and not on Windows platform.
You can use the "hello world" procedure to verify if your server accept the Symbolic Link.
See video 7
www.jms2win.com/en/tutorial#jms12x-7
When you are working on Windows platform with IIS, you are not able to deploy a website into a specific directory.
All the domain and subdomain must be assigned to your master directory.
The only thing that you can do under windows and IIS and to create "virtual directories" that point to the master website directory. This will simulate a kind of link.
Here it is a FAQ that perhaps will help you sharing the same directory on IIS
www.jms2win.com/en/faq#sec-112