Some facts you should know before rectifying the QuickBooks Error H303

What Does QuickBooks Error H303 Mean & How To Rectify It?

A user can face QuickBooks error H303 while accessing the company file in QuickBooks Desktop.

An error message appears on the computer display, displaying, “This company file is on another computer, and QuickBooks needs some help connecting.” Resolving QuickBooks HXXX series errors as soon as possible is necessary because the absence of the company file can halt the entire workflow. Through this article, we will discuss everything you need to learn about QuickBooks Desktop error H303, like the factors behind its occurrence and the solutions that can be applied to fix it.

Why does QuickBooks Desktop error H303 occur?

The wrongly configured multi-user settings of QuickBooks Desktop is the most common factor behind QuickBooks Desktop error H303. There are other factors as well that can cause it, such as: 1. Windows Firewall is interfering with the functioning of QuickBooks and preventing it from connecting to the internet.

How to fix QuickBooks error H303 safely?

Solution 1) Manually configure the multi-user hosting setting of QuickBooks Desktop 1. Start QuickBooks Desktop on the workstation.

2. Open the File menu.

3. Hover over Utilities in the list of options.

4. Click on the Stop Hosting Multi-User Access option.

5. In case you notice the Host Multi-User Access option, don’t select it.

6. Repeat the steps mentioned above on all other workstations to get QuickBooks error H303.

7. Move on to the Server computer.

8. Start QuickBooks Desktop and go to the File menu.

Solution 2) Manually make a Firewall port exception for QuickBooks Desktop 1. On your server computer, select the Windows Start menu.

2. Search for “Windows Firewall” and open Windows Firewall.

3. Select Advanced Settings in the left pane.

4. Find the Inbound Rules option and right-click it.

5. From the given options, select New Rule.

6. Confirm that the Port option is selected and then click Next.

7. Click on the TCP option.

Conclusion After going through the troubleshooting above solutions, we hope that you can overcome QuickBooks error H303. If not, the QuickBooks Database Server Manager might fail to locate the company file on your server. Hence, your advice is to restart the QuickBooks Database Server Manager on your server computer. To get further support fixing QuickBooks Desktop error H303, you can talk to our QuickBooks professionals at 8558560042.