No it is not - Keep an aye on release notes which do list limitations such as:
Qlik NPrinting must be installed only on C: drives Jira issue ID: OP-6196 Qlik NPrinting Server, Engine, and Designer can only be installed on C: drives. Any attempt to install them on a different drive will result in task failures.
cheers Lech, When applicable please mark the correct/appropriate replies as "solution" (you can mark up to 3 "solutions". Please LIKE threads if the provided solution is helpful to the problem.