Troubleshooting Steps to Eliminate QuickBooks Error H303

The QuickBooks application provides many features to its users, but the multi-user feature is the best one. It allows the users to access company files from different computers on the same network. But sometimes, errors occur while operating the multi-user mode and the QuickBooks error H303 pops up. The error arises when QuickBooks files need an additional configuration. There can be a few more possible reasons for this error code, and if you are encountering this error, you need to eliminate it in order to access the company files seamlessly. In this article, we are going to talk about the QuickBooks error code H303 in detail, along with its reasons and solutions.

If you are having trouble performing the steps or resolving the error on your own, you can call us at 1.855.738.2784 and get the error fixed with the assistance of our support team.

What Triggers the QuickBooks Multi-User Error H303?

The possible reasons behind the QuickBooks error message H303 are –

1. Improper hosting settings are the most apparent reason behind the error code H303.
2. QuickBooks is unable to host the files on the IP addresses or the server computer.
3. Firewall or other 3rd party applications are interfering with QuickBooks.
4. QuickBooks Database Server Manager is either inactive or disabled.
5. The QBCF monitor services are not working on your computer.
6. Essential QuickBooks files like the network data file are corrupted or damaged.

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Symptoms of the QuickBooks Error Message H303

Some early signs to identify the QuickBooks Desktop error H303 are –

1. QuickBooks starts freezing, or the program becomes unresponsive.
2. The application closes abruptly in the middle of a task.
3. Other devices on the system also experience slow performance.
4. The QB program doesn’t respond to mouse taps and keyboard clicks.

Solutions to Eliminate the QuickBooks Error Code H303

If you are encountering the QuickBooks multi-user error H303, follow these steps –

Step 1 –Run the File Doctor Utility to Fix the QB File Issues

You need to download and run the QuickBooks Tool Hub to activate the file doctor tool and resolve the H303 error.

1. Download and save the QuickBooksToolHub.exe file at an easily accessible location.
2. Open the tool hub and go to the Company File Issues tab to find the QuickBooks File Doctor utility.
3. Run the file doctor and browse your company file to select the Check your File and Network option.
4. Once the tool stops running, reopen QuickBooks and access your company file to check the status of the error code.

Step 2 – Check and Modify the Hosting Settings to Reconfigure the Multi-User Mode

You need to reconfigure the multi-hosting mode on your server computer and workstations to eliminate the QB error code H303.

1. Open QuickBooks on your server computer and go to the Help menu to select the Utilities option.
2. Find the Host Multi-User Access option and select it to enable multi-hosting on the server PC.
3. Now, open QuickBooks on your workstation and find the Stop Hosting Multi-User Access option from the Utilities tab of the QuickBooks Help menu.
4. Select the option to disable multi-user mode on your workstations and correct the hosting configuration.
5. Now, try to run the company file again and see if the QuickBooks error H303 is dismissed.

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Step 3 – Allow QuickBooks through Firewall by adding it to the Exclusion List

Add QuickBooks to the firewall exclusion list to prevent any obstruction and blockage.

1. From the Windows Start menu, access the Control Panel and select the Firewall Settings.
2. Click on the Allow a Program through the firewall option to add QuickBooks from the Add Programs list.
3. Add your QuickBooks version to the exception list, and once done, rerun QuickBooks.

Step 4 –Move the QB Company File to a New Folder on your Desktop

Create a new folder on your host computer and move your company file to fix the file folder damage.

1. Create a new folder on your Desktop and set Windows access permissions to share the company file.
2. Find and copy the .QBW file to paste it into the newly created folder on your Desktop.
3. Now, open QuickBooks and access the company file from the new location to fix the file folder issues.
4. If you are able to open the file from the new location, your file folder is damaged, and it is causing the H303 error.

Step 5 – Activate the QuickBooks Database and Monitor Services on the Server PC

The QuickBooks Database Manager Service and QBCF Monitor Service need to be running on the computer in order to access the company file correctly. To eliminate the QuickBooks company file error H303, you need to activate these services.

1. Open the Run window from the Windows Start menu and enter the msc command.
2. Locate QuickBooksDBXX and double-click on the specific services from the list of services.
3. From the Start-Up type option, choose Automatic and ensure that the service status is either running or started.
4. If the service is inactive, switch the button to make it active and go to the Recovery tab.
5. From the appeared drop-down menu, restart the services for First, Second, and Subsequent Failures.
6. Hit Apply and OK to save the above-made changes, and re-access QuickBooks on every workstation.
7. Go to the QuickBooks File menu, and from the Utilities tab, switch to the multi-user hosting mode to run the file in a multi-user environment.
8. Access the company file to see if the QuickBooks Desktop error H303 is resolved.
9. Next, run the QuickBooks Database Server Manager from the QuickBooks Tool Hub to fix any network issues that might be causing the error.

Conclusion

QuickBooks multi-user errors are a common occurrence, and the QuickBooks error H303 is one such common error that can be easily resolved. Follow the steps provided in this article to eliminate the error code, and if the error persists, you can reach out to us at 1.855.738.2784 and get assistance from our team of experts.

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