You sit down at your workstation, open QuickBooks Desktop, and attempt to switch to Multi-User Mode. Instead of seeing your company file, you are greeted with an empty browser window or a drive letter that has simply vanished. Your colleagues on the same network can see the drive, but you cannot. Your accounting workflow grinds to a halt. This is one of the most common yet misunderstood issues in QuickBooks Desktop environments. The drive is mapp...