QuickBooks Error Code H101 indicates that the computer on which the QuickBooks company file is located needs additional configuration. This error normally arises when a user tries to switch between the single-user mode and multi-user mode in QuickBooks.
How to Resolve QuickBooks Error Code H101 Use QuickBooks File Doctor.
Download and run the QuickBooks file doctor on the server.
QuickBooks Pro 2010 to the industry-specific versions of QuickBooks Premier 2010 and on to the powerful Enterprise Solutions 10, we've included the full range of QuickBooks products.
The error H101 can also occur if QuickBooks firewall settings block access to company files.
When your incoming and outgoing communication gets blocked.
The H101, H202, H303 and H505 error codes indicates that the user is facing problem while opening the company file.
