Two instances of SD+ on the same server. Possible?

Two instances of SD+ on the same server. Possible?

I want to know if it is possible to have two instances of SD+ on the same server and have them act as different systems. The reasoning behind this is because we have another department in this company that would like to use the service desk product and we don't want them in our database. Is it possible to put service desk on a server twice? If not, is it possible for the same service desk to use two different databases?
We are willing to buy extra licenses to accomidate this if it is possible.

Thanks!


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