Ultimate Solutions to Reliably Remove QuickBooks Error H303

The H series errors in QuickBooks might be one of the commonly occurring error series. This can lead to error codes, like QuickBooks error H303, which can prevent users from running the QBW company file in a multi-user environment. QuickBooks error message H303 can arise due to some common causes, like damaged ND folders, and can be easily removed by using the effective solutions given in this article below.

You can follow the easy steps given below to fix the hosting issues in QB. In case these solutions seem like a bit of a hassle, you can reach out to our QB expert team at 1.855.738.2784 to get professional help with the error.

Main Reasons & Possible Triggers for QuickBooks Desktop Error H303

QuickBooks error code H303 can occur due to the common causes & main scenarios given below –

• The hosting settings in QB might be incorrect or misconfigured, and the current settings are preventing users from accessing the company files on the workstations.

• Essential files, like the ND and TLG files, might be damaged or corrupted, and these data files might be stored in an incorrect or broken file folder.

• The IP address might be invalid, and QB might be unavailable to fetch the right address, which can make the company files inaccessible.

• There are network connectivity issues while running or transferring the files, and the network settings might be incorrect or misconfigured.

Also recommended: How to fix QuickBooks Update Error 12007?

Troubleshooting Steps to Easily Rectify QuickBooks Company File Error H303

QuickBooks multi-user error H303 can be reliably addressed by using the detailed solutions given below –

Solution 1 – Select the Monitor Service in QB from the Run Window of the Start Tab

You can dismiss QB error code H303 by starting the monitor service from the service tab in the following manner –

• Open the Run window from the Windows Start tab to run the MSC Command and access the list of services.

• Type services. msc in the command box and search for the QuickBooksDBXX version to ensure that the Startup Type is set to Running.

• Now, from the Recovery tab, select the QBCFMonitorService option to restart the service, followed by running the files in multi-user mode again.

Solution 2 – Edit the Firewall Settings and Authenticate the Exception List for QB

You can resolve the hosting issues in QB by editing the Windows firewall settings from the control panel –

• Access the Control Panel from the Start tab and hit the Firewall settings to choose the Allow a Program through Windows Firewall option.

• Now, go to the Exception List, choose QuickBooks, and hit the Add Program option to ensure that QuickBooks is allowed. Once done, rerun QuickBooks in a multi-user mode to check if the H series error is permanently fixed.

Conclusion

You can follow the troubleshooting steps given above to effectively terminate QuickBooks error H303. In case the error message keeps coming back and the hosting issues aren’t resolved, you can call our QB specialists at 1.855.738.2784 to get immediate assistance with the error.

Recommended to read: How to resolve QBCFMonitorService not running on this computer?