How to Fix QuickBooks Error Code 6123, 0? When using QuickBooks in a multiple-user setup, it is usual to see error code 6123, 0. This error often shows a message saying, “Connection to QuickBooks company file has been lost.” Since this ...
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When using QuickBooks in a multiple-user setup, it is usual to see error code 6123, 0. This error often shows a message saying, “Connection to QuickBooks company file has been lost.” Since this error usually stops access to the company ...