Resolve QuickBooks Error H303 Using the 100% Effective Methods

QuickBooks Desktop has a multi-user mode facility that makes it possible to access company file and other essential data simultaneously over a network. Many errors often emerge at times when users utilize this facility, and the QuickBooks Error H303 is one such error.

Like many other H series errors in the QB application, this error gets provoked due to incorrect hosting settings,and it leaves users very frustrated as they cannot open the company file and access other data for essential tasks.

You will find detailed solutions as well as possible causes of this intricate error in this blog.

To resolve the QuickBooks Error H303 in the best possible way, you can dial 1.855.738.2784 to get direct assistance from our QB Experts Team.

Root Causes of the Error Code H303 in QB Desktop

The Error Code H303 in QB Desktop arises due to the following reasons:

  1. Wrong multi-user mode settings on the server computer and the workstations on your network often make this error appear on the screen.
  2. Incorrect firewall settings can hinder proper communication between the server and the workstations, which creates difficulties in utilizing the multi-user mode, thereby provoking this error.

Recommended to read: QuickBooks Connection Has Been Lost

Resolve the QuickBooks Error Message H303 with the Easiest Solutions

The QuickBooks Error Message H303 can be resolved by using the following solutions:

Solution 1: Straightforwardly make this error disappear by ensuring correct hosting settings on the server and the workstations

  1. The first step is to open the QB Desktop on each workstation where this error appears and then hit the ‘File’ tab to immediately choose the ‘Utilities’ option.
  2. Thereafter, you should strike the ‘Stop Hosting Multi-User Access’ option as this will switch off the multi-user mode on the workstation.
  3. The next step is to head towards your server computer and launch the QB application to hit the ‘File’ menu and thereafter click on the ‘Utilities’ option.
  4. Finally, you must hit the ‘Host Multi-User Access’ option to enable multi-user mode on the server computer and then proceed to access your company file and other data.

Solution 2: Easily abolish this technical error by executing the QB Database Server Manager tool on the system

  1. To execute the QB Database Server Manager tool, the first step is to download the latest release of the QB Tool hub on your system from the Intuit website.
  2. In order to utilize the tool hub, you should now install it by clicking on the ‘QuickBooksToolHub.exe’ file and when the installation is completed, you should open it to strike the ‘Network Issues’ tab.
  3. At this point, you should identify and tap on the ‘QuickBooks Database Server Manager’ tool within the ‘Network Issues’ tab and then select your company file through the ‘Browse’ option.
  4. Once you have chosen your company file, you should immediately strike the ‘Start Scan’ button to commence the execution of this useful tool.
  5. As soon as the QB Database Manager completes its run, it will automatically configure all the firewall settings as well and then you can proceed to make use of the multi-user mode.

By implementing these solutions in the correct sequence, it is possible to easily eradicate the QuickBooks Error H303. For more guidance regarding this error or some other issue, feel free to dial 1.855.738.2784 to contact our QB Support Team.

Recommended to read: QuickBooks Crashing

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