What is QuickBooks Error H303! Causes and How to Fix it

QuickBooks company file error h303 occurs when the user attempts to open the company file in multi-user mode. The error comes up with a message displaying, “This company file is on another computer, and QuickBooks needs some help connecting.” The QuickBooks error message indicates something is blocking the multi-user connection to the server. The user might also get the error while trying to switch QuickBooks from single-user mode to multi-user mode. To get detailed information about QuickBooks desktop error h303, read the complete article.

If you’re looking for some technical assistance resolving QuickBooks error h303, then call us on our toll-free number (855-526-5749) and speak to the certified QuickBooks experts team

What are the causes behind QuickBooks multi-user error h303?

Most of the time, QuickBooks desktop application fails to develop a connection with the company file, which leads to QuickBooks error h303. There are multiple reasons that trigger the issue. We have listed some of them below:

1. The Firewall is blocking the communication between QuickBooks and the company file.

2. Damage or corrupted company file.

3. QuickBooks services are not running properly.

4. Fault in the hosting configuration settings.

A few troubleshooting steps can easily resolve QuickBooks desktop error H303. Let’s proceed to them. We’ll show you how to fix the problem.

Best Possible Solutions to Resolve QuickBooks Company File Error H303

Following is the most effective procedure to overcome QuickBooks error code h303:

Solution 1. Try to ping the server computer from the workstation

By pinging the server, you will be able to check the connection to the server from your workstation. For doing this, you need to turn on turn on network discovery and get your server name. Here’s how:

1. On your server computer, click on the Windows Start menu.

2. Within the4 search, write ‘network.’

3. Open Network and Sharing Centre and choose Change advanced sharing settings.

4. Go to Network Discovery and File and Printer sharing sections.

5. Select the Turn on network discovery option.

Next, follow the steps to get the server name:

1. Again, open the Start menu on your server computer.

2. Open the Run command by pressing Windows and R keys together.

3. Within the Run window, type ‘CMD’ and tap Enter.

4. In the CMD window, write ‘ipconfig/all’ and hit Enter.

5. Under the Windows IP Configuration, note down your server name given at the right.

Now, check your server from the workstation:

1. On your workstation, click on the Start menu.

2. Open the Run window and type ‘CMD,’ and press Enter.

3. Next, type ‘ping-server name’ and hit Enter.

4. Perform the same troubleshooting on each workstation where you get QuickBooks error code H202.

Your server is working if you get reply for each packet. If there is a loss of packet, proceed to the next solution.

Solution 2. On your server system, run QuickBooks Database Server Manager

QuickBooks Database Server Manager is the one that holds the company file and allows the users to switch to multi-user mode. To run the QuickBooks Database Server Manager, you need to download QuickBooks Tool Hub on your workstation:

1. Exit QuickBooks and get the latest version of QuickBooks Tool Hub.

2. From downloads, open the QuickBooksToolHub.exe file.

3. Initiate the installation by following the on-screen steps.

4. Further, select agree to the terms and conditions box.

5. The QuickBooks Tool Hub icon will appear on the desktop once the installation finishes.

Run QuickBooks Database Server Manager

1. Open the QuickBooks Tool Hub and choose Network Issues.

2. Then, select QuickBooks Database Server Manager.

3. Find your company file folder and select Start Scan.

4. If you can’t find the file, click on Browse to search the file and then Start Scan.

5. QuickBooks Database Server Manager will fix the firewall permissions.

6. Click Close when the repair completes.

7. Now, switch QuickBooks to multi-user mode on each workstation, getting QuickBooks desktop error h303.

If you are able to turn QuickBooks into multi-user mode without any problem, everything is fixed. If you still get the error, seek guidance.

That’s all about QuickBooks error H303. We hope you find the article informative and helpful in resolving the issue. If the problem doesn’t fix, contact the QuickBooks support team by dialing our customer service number (855-526-5749).