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All the possible methods to troubleshoot QuickBooks Error H303

The H series errors occur when one or more workstations are set to be the server for QuickBooks Desktop. The QuickBooks error H303 occurs when the company files need additional configuration. The error prevents you from accessing the company file and you can follow the steps given in this article to address the error effectively. You can also call us at 1.855.738.2784 and get immediate assistance with the error from our support team. <br>

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All the possible methods to troubleshoot QuickBooks Error H303

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  1. The Best Working Guide to Fix QuickBooks error H303 Many users complain about H series errors in QuickBooks. The most recurring of them is QuickBooks error H303, which occurs when a user tries to switch QuickBooks from single-user mode to multi-user mode. It comes up on the screen along with an error message, “This company file is on another computer, and QuickBooks needs some help connecting.” One prominent reason behind the error is the incorrect hosting setup. Jump to the next section of the blog to know other causes. Check out the complete blog and implement the solutions to fix error h303 in QuickBooks. If you are seeking professional help to eliminate QuickBooks error H303, reach out to the QuickBooks technical support team by calling us on our 1.855.738.2784.

  2. What are the factors responsible for QuickBooks Desktop error H303? It’s important to understand what gives rise to the error before we try the solutions. Down below are some major causes. Take a look before you proceed to the troubleshooting section: The server computer is not allowing QuickBooks through the firewall. QuickBooksDBXX and QBCF Monitor Service do not have admin permissions to run on the server computer. The hosting is not configured correctly on the server computer and the workstation. Connectivity issues between the server computer and the workstation are the leading cause of the error. Damage to .tlg and .nd configuration files of QuickBooks responsible for connecting QuickBooks with the server computer.

  3. Effective Troubleshooting Solutions to Fix QuickBooks Multi-User error H303Solution 1. Configure Multi-User Access on the server computer and the workstation Start QuickBooks on the workstation getting error h303 and select the File menu instead of opening the company file. Under the File menu, choose Utilities. If there is the Host Multi-User Access option, don’t select it. There is no issue with the workstation. Move to another one. If you see the Stop Hosting Multi-User Access option on the next workstation, select it. Open QuickBooks on all workstations and follow the same steps to change hosting. After that, go to the server computer and open the QuickBooks application. From the File menu, choose Utilities and select the Host Multi-User Access option. If the Stop Hosting Multi-User Access option is visible, click it.

  4. Solution 2. Reset Firewall settings manually to fix error h303 Go to the Windows Start menu, type Firewall in the Windows search field and open Windows Firewall. Click Advanced Settings, right-click Inbound Rules and choose New Rule. Choose Port, select Next and ensure TCP is marked. Go to the Specific local ports field, input the port needed for your QuickBooks version and click Next after entering the port. Mark Allow the Connection box, select Next, and make sure all the profiles are marked. Next, set up a new rule with the name ‘QBPorts(year) and click the Finish button once you are done.

  5. We are now closing our blog on QuickBooks error H303. In this, we have covered the root causes and proven troubleshooting solutions that will help you troubleshoot the problem. If you continue to face the same issue even after following them, get connected with the QuickBooks technical support team for assistance by dialing our helpline number 1.855.738.2784.

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