Whenever the QuickBooks Company file requires additional information, the QuickBooks Error code H303 generally appears. So, when the user tries the access the file which has been placed in another computer and that PC required additional setup and installation, then this error occurs.

If you see QuickBooks error H101, H202, H303 or H505 when trying to switch into multi-user mode then this post will help you to recover it. These errors mean something is blocking the multi-user connection to your server. If you are facing the same issue, then make sure that you read the post carefully till the end. Moreover, we would recommend you to speak to professional and let him/her handle the situation for you, if you are unaware of the technicalities of QuickBooks. You can contact our support team at our toll-free support number i.e. 1-844-521-0490, and our experts will be there to assist you. We are a team of experts and certified QuickBooks professionals, who work round the clock to provide the best possible services. Do not hesitate in calling us any point of time, our team will be happy to help you.