Ah, the urge to post a snarky response to a poorly posed question...
"Question":  "Instance under memory pressure how to solve"
Response:  "Put it in a vacuum chamber and drop...

Not knowing anything about Tableau, could you convert the SQL script over to a Stored Procedure with parameters, and have Tableau call that?

I'm with Gail, never, ever, pass the buck.  You will almost always look better in both the boss' and your co-workers eyes, if you help work to resolve the problem,...

Some sample data that can be used to test the query would be helpful here.
Ideally, also include a snippet of the "real" output that you're getting and a sample...

While it's not in SQL, do you have Physical Address Extension enabled in the OS?
https://msdn.microsoft.com/en-us/library/windows/desktop/aa366796(v=vs.85).aspx

It could be (if it's not enabled) that you're now starving the...

Your best bet is going to be to work with both the MS Licensing and Software Vendor together to sort out the licensing requirements.

Arguably, it might be less...