While using QuickBooks, you may encounter QuickBooks Error H101. The error is visible on the system screen when you try to switch between normal to multi-user mode. Besides, the error is visible under different circumstances. There can be many reasons for the occurrence of QuickBooks error HI01 such as incorrect files configuration, PC is unable to connect with the server, incoming/outgoing communication is blocked, and so on. Apart from this, other H series error are H202, H303, and H505.
