If I recall from way back then, there were issues if you had spaces in the share name, or share and printer names were different. It's been several years since I've played with this command directly, but there's that "thing" in the back of my mind that there was an inconsistency.

I never used spaces in file or print shares - ever - so this was never really an issue for me or my clients.
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Actually I am a Rocket Scientist! \:D