I currently don't work from home on a regular basis, although I do put in some time once a month patching my production servers.  To be honest, I don't mind...

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...