How to Fix QuickBooks Error H303 with Multi User Mode

by James Antonio Marketing Head

Intuit recognized that QuickBooks error H303 is often caused by the computer needing further configuration. To avoid this, they recommend adding in a 64-bit operating system to be compatible with most of the operating systems.

QuickBooks Error H303 is caused when the company file needs an additional configuration, or when QuickBooks fails to read and communicate with the local copy of a company file on another computer. Though there are a variety of potential causes, all you generally need to fix QuickBooks Error H303 is changing a setting within the software’s User Info tab.

If you’re running QuickBooks in multi-user mode, or have your files stored on a server, file H303 errors may occur. You’ll need to load the appropriate media onto your workstation for setup and file installations.

Acquire more details about the causes of and a fix for error h303 in QuickBooks

The QuickBooks multi-user mode requires various components to function efficiently. An issue with any of these components triggers QuickBooks Error H303. The possible causes have been mentioned below for you:

The probability of error h303 being caused by the Windows firewall blocking communication.
Corrupt or damaged .ND file.
Systems are not allowed to send or receive information properly over the network.
The hosting setting might not be properly configured.
There is no response from the server-side.
It may be that your IP address is being blocked for some reason.

Fix QuickBooks error H303 fast with these steps

Method 1: Download and Install the Latest Tool from QuickBooks

The Intuit QuickBooks Tool Hub is able to clear H303 errors.
Follow these steps: Download the Tool Hub, press CTRL+J and go to your downloaded list of tools.
Click QuickBooksToolsHub.exe and allow it to make changes.
Click Yes when prompted to install this app, then Yes again for accepting the license agreement.
Finally, click Next twice (the installation takes some time) and Finish once it has been installed completely.

Method 2: Verify your Hosting Settings

An H303 error in QuickBooks is caused when you have installed the program on multiple computers. To fix the programs, start QuickBooks in “Multi-User Mode.” On both PCs, go to File, then Utilities, and then click stop hosting multi-user configuration. Go to Files and then Utilities, and turn on hosting. Reload your application on both PCs.

Method 3: Changing the Location of QuickBooks Folder

In Windows, create a new folder and share the files with permissions for multiple users.
Copy the .qbw file and paste it into the new folder.
Access company files in multi-user mode.

Method 3: Correcting firewall settings

A firewall may block your computer from sending data. In turn, this will produce an error. However, there are steps that can be performed to resolve this problem:

You can fix QuickBooks Error H303 with the following steps.

Open the ‘Control Panel’ on your computer through the ‘Start’ menu.
Select ‘Firewall Settings’ from the list of options.
Click on the option saying ‘Allow a program through the firewall’.
Add the QuickBooks program in the exception list through the ‘Add Programs’ option.
Restart your computer for changes to take effect

Troubleshooting error H303 means accessing your QuickBooks data from multiple workstations to assure this error is corrected. As per QuickBooks Multi-User Mode Error H303, there are various reasons that can cause this issue such as last modified date, Login access, and client message ID to mention just a few. We tackled each reason in the discussion above and how to fix the issue.

Reference: https://www.joinarticles.com/fix-quickbooks-error-h303-with-multi-user-mode/