QuickBooks Error H303: Fix the
Multi-User Mode Error
Most of the time, many users may encounter various errors during its operation. One such issue is QuickBooks error H303, a
frequent issue associated with QuickBooks' multi-user mode. This error can occur when attempting to access a file in multi-user
mode and trying to access a company file stored on a different computer. If the file you're accessing requires additional
installation, this error is more likely.
This error signifies an issue with the system's ability to establish a connection, leading to inconvenience for users trying to work
collaboratively. We have attempted to provide you with a better knowledge of the QuickBooks issue in this post, as well as
instructions on how to fix it should you encounter it.
If you would want to ask our Enterprise support team any questions about these issues, you can reach them by calling a toll-free
number 1.855.856.0042. Our Intuit-certified professionals would happily address your concerns and find speedy solutions.
What Causes Company File Error H303?
We will attempt to offer you more precise possible causes of error H303 including:
•Incorrect firewall settings result in the application being blocked.
•The multi-user mode in QuickBooks is configured incorrectly.
•If hosting is improperly configured on the server computer.
Steps for QuickBooks Desktop Error H303
Below, we've detailed various methods to assist you in resolving QuickBooks errors H303. Each step,
including those for QuickBooks error H101, is thoroughly explained to simplify the resolution process
for you.
Step 1: Adjust the Firewall's Preferences
The step is to modify the firewall's settings by following the procedures listed below.
•Begin by accessing the control panel on your system.
•Navigate to the firewall settings.
•Select the option to manage allowed applications and locate QuickBooks in the list.
•After selecting QuickBooks, save the changes.
•Finally, reboot your system and launch the QuickBooks software.
Step 2: Check the Hosting Configuration
•On the PC containing the company file, launch QuickBooks.
•Navigate to the File menu and select Utilities.
•Verify that Host Multi-User Access is not selected. If it is, turn it off.
•Carry out these actions on every PC running QuickBooks.
Step 3: Correcting Multi-User Mode Configuration in QuickBooks
•Once QuickBooks is open, select the File option.
•Select Switch to Multi-User Mode.
•Verify the hosting configuration:
•Navigate to the File menu on the server machine and choose Utilities.
•Verify if Host Multi-User Access is indicated. If not, enable it.
•Ensure that Host Multi-User Access is not enabled on workstations. If it is, disable it.
•Check for network connections and resolve any problems.
•Power off and reboot all devices running QuickBooks.
•Open the corporate file on several workstations at once to test multi-user mode.
I hope the above described procedures have assisted you in fixing the issues of QuickBooks error H303. But don't hesitate to get
in touch with one of our Intuit Certified QuickBooks ProAdvisors if you need to promote help. By calling our toll-free
digit 1.855.856.0042, you can get in direct contact with our QuickBooks Enterprise support staff.