A quick fixing guide for QuickBooks Error H303

1. Smart Hacks to Tackle QuickBooks Error H303 The company file is one of the fundamental components of QuickBooks and plays a primary role in keeping your financial data safe and secure. Interrupting different errors while dealing with them can hamper your day-to-day work and affect the performance of QuickBooks. One such instance is the QuickBooks error H303, which bothers you when you make an attempt to turn on multi-user mode for the company file. It comes up with a warning message stating, “This company file is on another computer, and QuickBooks needs some help connecting”. So, in this article, we are going to answer a few major questions about the issue, which are why it happens and how to rectify the same. Go through the entire content to acquire a comprehensive understanding. Are you finding it challenging to debug the QuickBooks data file error H303? Have you tried multiple ways to resolve it but failed? Get instant guidance from our QuickBooks technical support team by dialing Toll-Free Number.

2. What Triggers the QuickBooks Desktop Company File Error Message H303? To resolve any technical error in QuickBooks, you must be aware of the reasons that cause the issue. Similarly, for the error H303, there are multiple causes. If you want to know the factors affecting such a problem, then take a look at the following pointers- You have not configured the multi-user host set up correctly, due to which the error comes up. The Windows firewall is restricting you from opening the QuickBooks company file. One of the probable reasons might be the damaged or even corrupted data file. There is also a possibility that the QuickBooks services are not running on the host computer, because of which you are unable to open the data file. If the QuickBooks Database Server Manager is not in use, the chances of incurring the problem increase.

3. Which are the Different Ways to Troubleshoot the Data File Error Code H303? Facing trouble while fixing the issue? No worries! Refer to the troubleshooting methods we have provided below and get rid of the issue completely. You must only make sure to follow each instruction carefully-

5. SOLUTION 1: Make Modifications in the Host Multi-User Setup Start the process by moving onto one workstation. Run your QuickBooks and then tap on the ‘File’ menu. Place the cursor on ‘Utilities’ and then check if there is ‘Stop Hosting Multi-User Access’ available or not. If no, you must now perform these similar steps on other workstations. If yes, click on the option to rectify the issue. Once done checking on all workstations, it’s time to go to the server computer. From the ‘File’ section, go to ‘Utilities’. After you see the ‘Host Multi-User Access’ option, choose it; else, do not tap on it.

6. SOLUTION 2: Change Firewall Setting By Including Firewall Port Exception For QuickBooks Go to the Windows ‘Start’ section, and type in ‘Windows Firewall’ in the search bar. In the following displayed screen, hit ‘Advanced Settings’ and then right-click on ‘Inbound Rules’. Next, choose ‘New Rule’. Now, click on the ‘Next’ button followed by hitting ‘Port’. You must ensure to mark TCP. Enter the required port number in the ‘Specific Local Ports’ section. Choose the ‘Next’ button and then ‘Allow the Connection’. Hit ‘Next’ again to mark all profiles. Create a rule by clicking on the ‘Next’ button. In the final step, to end the procedure, tap ‘Finish’.

7. SOLUTION 3: Complete the Installation of the QuickBooks Tool Hub to Run the QuickBooks File Doctor Tool Once you exit the QuickBooks application, open the internet browser. From there, go to Intuit’s website to download the newest version of the QuickBooks Tool Hub. As you complete downloading the file, save it to a favorable location. Now, run the ‘QuickBooksToolHub.exe’ file and proceed toward the steps mentioned to perform the installation process. After agreeing to the terms and conditions, tap on the ‘Finish’ button. Now, launch the installed program. Go to the ‘Company File Issues’ section, and then hit ‘Run QuickBooks File Doctor’. In the following step, move the cursor to the drop-down menu and select the required data file. After that, tap on the ‘Check your file’ option and ‘Continue’. Provide the admin password of your QB. At last, click on the ‘Next’ button.

8. SOLUTION 4: Make Use of the QuickBooks Database Server Manager From QuickBooks Tool Hub Open QB Tool Hub and directly move to the ‘Network Issues’ menu. Opt for ‘QuickBooks Database Server Manager’. Next, after selecting ‘Start Scan’, the tool will begin to fix all the issues. Once it is done, tap on the ‘Close’ button. Finally, run QuickBooks on computers that are facing the problem. Hit the ‘File’ tab to choose the ‘Switch to Multi-User Mode’ option.

9. SOLUTION 5: Validate the QuickBooks Services on the Host Computer On the server, hit the ‘Start’ button of windows. Enter ‘Run’ to open the command box. In the text box, type ‘Services.msc’ and then click on the ‘OK’ button. From the list, search for ‘QuickBooksDBXX’ and then click twice on it. Next, choose the startup type as ‘Automatic’. You must now ensure that the service status is in use. If it is not, hit ‘Start’. From the ‘Recovery’ section, click the following- First failure, Second failure, and Subsequent failure. After that, opt for the ‘Restart the Service’ option from all these drop-down menus. In order to confirm the action, tap ‘Apply’ and then ‘OK’. Apply these same instructions for ‘QBCFMonitorService’ as well. In the last step, start QuickBooks on all computers except for the host computer and tap ‘Switch to Multi-User Mode’ under the ‘File’ tab.

10. As we now come to a conclusion, we believe that this article on QuickBooks error H303 has helped you gain valuable information and resolved your issue easily. Even though these troubleshooting processes have worked best for most users, if the problem still persists, do not hesitate to have a one-to-one consultation with one of the pro advisors for immediate help via our1.855.738.2784.