QuickBooks Error 6073 and 99001 is the error that occurs while you are working on QuickBooks and trying to open the company file. The reason for that error is simply incorrect server configurations. If you seek a guide to help you fix the error in those circumstances, I would suggest the following article. However, apart from the solutions, you can ask for assistance from the QB data service team at 800-579-9430.
QuickBooks error 6073 usually comes in the screen where the user tries to access the company file from their workstation and due to some network glitch error pops up.
Hereby the following article, we have incorporated some of the most trusted solutions to fix QuickBooks error 6073, and moreover, you may also place a call at 855-856-0042.