There are single-user and multi-user modes of operation for the QuickBooks program. They may frequently need to switch from one mode and another, but whenever they do, they may get the QuickBooks error H303, which states that QuickBooks needs some help connecting because the company file is on some other computer. It suggests that QuickBooks’ network connection may be having problems. Because it could have a detrimental effect on organizations’ production and cause delays in completing work, such an error needs to be fixed straight away. Several workstation computers should connect to the network to access the company files, while QuickBooks runs in multi-user mode.
There should be one server computer storing the company files. It’s possible that incorrect hosting settings, such as turning hosting on or off on any workstation or the server computer, are to blame for this issue. Users can look into the workstations’ and server’s hosting configurations and make the necessary changes to fix this error. Alternatively, they could employ the Database Server Manager found in the QuickBooks Tool Hub. Read this article to the end to learn more about the causes of this issue and the available solutions.
Do you need assistance with QuickBooks Multi-User mode-related issues such as QB Error H303? To speak with one of our technical support staff members, call 1.855.738.2784.
What are some of the most likely causes of the H303 error code in QuickBooks?
The H303 error, which indicates a lapse in communication between the server and QuickBooks Multi-User mode, is one of the H series issues with QuickBooks. Several factors that might contribute to this include the following:-
- QuickBooks network data files on your machine could be corrupted or missing entirely.
- Your PC’s Windows firewall may prevent communication between the server machine and the workstations.
- To host multi-user mode, you might need to modify the hosting settings on your server computer.
- One or more of your workstations may be set up to host numerous users; therefore, you may need to modify the hosting settings on one or more of them.
- The server PC is where QuickBooks services like QuickbooksDBXX and QBCFMonitor are intended to run. They might have been stopped from fleeing by something.
- It’s conceivable that QuickBooks lacks the admin privileges required to host multi-user mode.
Which solutions are available to resolve the H303 Error in QuickBooks?
The H303 issue in QuickBooks can be fixed using the troubleshooting methods listed below:-
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Use the QuickBooks File Doctor and QuickBooks Database Server Manager tools, which can be found in the server PC’s Tool Hub.
Use the resources mentioned above, which are accessible in the QuickBooks tool hub, combined with the steps below to solve the problem right away:-
- Download the QuickBooks tool hub from the official Intuit website and install it first on the server PC.
- By saving it to a location that is easily accessible, run QuickBooksToolHub.exe to install it.
- Pick QuickBooks Database Server Manager from the tool hub’s menu to launch it.
- Select Start Scan to begin scanning the documents for your business.
- The company file issues area can be found in the tool hub after you reopen it.
- Launch the QuickBooks File Doctor tool right away to repair any damaged QuickBooks Company files.
- Restart your computer and enter multi-user mode once more when the program has done running.
Examine the hosting options available on your server PC and make any necessary adjustments.
Your server computer’s hosting options must be activated to host in multi-user mode. You can evaluate and set them up using the following steps:-
- Go to the File menu after launching QuickBooks on your server computer.
- Go to this menu’s Utilities section now.
- Click Host Multi-User Access to enable the hosting settings if it is not already selected.
- Your server machine is now set up to host files; therefore, you should be able to switch to multi-user mode.
Review the hosting arrangements on each of your workstations and make any required adjustments.
All workstations in QuickBooks multi-user mode must have their hosting settings disabled because there should only be one server machine hosting the files. These techniques can be used to examine and change these settings:-
- Open QuickBooks on each of your workstations, then select File from the menu.
- Go to this menu’s Utilities section now.
- Disable the hosting settings by choosing the stop hosting multi-user access option if the host multi-user access option is selected.
- Now that your workstation’s hosting configurations are in order, you should be able to switch to multi-user mode.
On your server computer, confirm that the QuickBooks services QBCFMonitor and QuickbooksDBXX are running.
Use the steps below to determine whether QuickbooksDBXX (or XX, depending on your QuickBooks version) is active on your server computer. To check if QBCFMonitor services are offered, proceed to the following steps:-
- In the Run dialogue box on your host device, type services.msc and press the Enter key.
- Select Automatic as the Startup Type after double-clicking QuickbooksDBXX in the list that appears.
- You must launch or start the service if it isn’t currently running.
- By moving your cursor over the Recovery tab, choose to Restart the Service from the drop-down menus next to the first, second, and Subsequent failures.
- Try switching QuickBooks to multi-user mode once you’ve saved the changes.
On your computer, manually add a QuickBooks firewall port exemption.
The actions listed below must be followed to add a firewall port exception for QuickBooks to stop your Windows firewall from preventing connections between server machines and workstations:-
- Go to the Advanced Settings of your Windows firewall by accessing the start menu.
- Select New Rule by performing right-clicking on the Inbound Rule option.
- After clicking the Port option, choose the Next option.
- After making sure TCP is chosen, fill out the field for their individual local ports with the appropriate ports for your version of QuickBooks.
- Moving ahead, if asked, accept the connection and make sure to mark every profile.
- Create a rule called QBPorts to complete the task (year).
- Then, in the advanced settings, carry out the identical procedures for outbound rules by right-clicking them rather than inbound ones.
- By selecting Program from the context menu when you right-click Inbound Rules, you can add a Windows Firewall exception for QuickBooks Programs if the error persists.
- Next, select Browse from This Program Path.
- Keep an eye out for executable files (.exe) and permit the connection.
- If requested, make sure to note each profile, then make a rule called QBFirewallException (name.exe).
- Then, in the advanced settings, carry out the identical procedures for outbound rules by right-clicking them rather than inbound ones.
These methods can be used to resolve QuickBooks Error H303. You must address such mistakes as soon as possible to keep using QuickBooks in both modes without interruption because they can negatively influence your company’s productivity. For example, you may steer clear of QuickBooks’ multi-user mode problems by paying attention to the hosting settings on your server computer and workstations. Additionally, you must make sure that QuickBooks has the admin rights necessary to permit multi-user mode connection. Always be sure that no outside software is interfering with QuickBooks’ ability to connect to the server. The tactics in this post should be used in the order they are mentioned, as per our advice. Get in touch with our technical experts at 1.855.738.2784 if the problem continues.
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