Causes and Solutions for QuickBooks Error H303

In this article we discuss what causes the QuickBooks Error H303 and how you can troubleshoot this error on your own.

H303 is one of the common errors of Quickbooks. It depicts the issues within the company file. Many times users find it difficult to resolve the issue. That is why we are presenting you this guide. We will provide you all the solutions that will troubleshoot the issue. The error appears because of several causes that we will go to learn below but first let's discuss and understand what this error is.

Error H303: Know Here the Definition

The error appears with the text that states "Error H202: The company file is on another computer and Quickbooks needs some help connecting." There come lots of problems while accessing the company file. Thus, it denies the user access to the QB file. Here, we have tried to do everything to resolve the error issue. Just, make sure to go through the reasons and symptoms before conducting any of the troubleshooting. If you have successfully understood the error then move ahead and learn the causes that make the error appear on your system.

Reasons for Quickbooks Error H303

  • The software becomes unavailable to the server's IP address.
  • Company data and QB servers prove to be a real headache when you are creating them.
  • .ND file gets corrupted and damaged.
  • DNS network setting is improper or inappropriate.
  • QBCFMonitor or QuickbooksDBXX programs are hard to run.
  • There is a problem in configuring the hosting settings.

The user has to identify the error at the right time so that they can resolve it easily. You can move towards the pointers below to identify this issue.

Identify the Issue with these Signs

  • You find issues while opening the QB file.
  • OS system cannot function on your computer
  • Slow performance of the software.
  • The user becomes unable to switch back to multi-user mode.

The system will continuously show you these signs till you fix the error issue. We will move to the troubleshooting when you get the consideration points.

Consideration Points that You Need to Tackle

  • The user needs to verify that the software is installed on the server.
  • Download the Quickbooks software from the official of Intuit.
  • Make sure that if you did not install the QB application on the server then you would probably deny access to the company file.

After considering all of these things, you can jump towards troubleshooting. The solutions below will help you a lot in fixing the error.

Troubleshoot Quickbooks error H303 with these Solutions

Below are given some of the best troubleshooting to get rid of the error. Make sure to read each solution carefully.

Solution 1: Configure Windows Host File

Windows host file needs to be configured properly. If you don't know how to do this then move ahead and learn these steps given below.
  • First of all, you need to shut all the Quickbooks Windows.
  • Now, you need to go through this series C:\Windows\System32\Drivers\Etc or C:\Windows\Syswow64\Drivers\Etc
  • Double click on the host file.
  • Tap on Notepad, when you receive the pop-up.
  • Enter the IP address and the name of the system.
  • Make sure to enter the IP and name of the computer if you are working on a server.
  • After that, provide the IP of the server and the names of the system if you operating on a computer.
  • Hit the tab key from the keyboard.
  • Once done, just separate the computer name and IP address.
  • In the last step, make sure that the software is opened in the multi-user mode.
  • Just check if the error gets fixed or not.

Solution 2: Run Quickbooks File Doctor

Quickbooks file doctor is majorly known for eradicating Quickbooks error code H303. So, it is mandatory to run the tool and make the error out of your system.
  • Open the official site of Intuit.
  • Now, you need to download and install the Quickbooks File Doctor tool.
  • After that, access the company file issue and open the tool.
  • You need to now select the company file.
  • When there comes several issues then just tap on the Browse icon.
  • Make sure to click on the checkbox that shows your file.
  • Hit the Continue tab now.
  • Give your credentials and click on Next.

Solution 3: Locate the QB file to Another Location

At times, the folder containing the QB file becomes corrupted, that's why the user requires to use another folder to recover the issue in minimal time.
  • First of all, tap on Drive C and create a new folder.
  • You need to now locate your QB file on that specific folder.
  • Once done, click on the existing file folder.
  • Choose the QB file and .TLG file.
  • Hit Ctrl + C so that you can create a copy of the file.
  • Again, you need to press Ctrl + V to paste the same file.
  • Once done, just make sure that you can easily open the file by using multi-user mode.

Solution 4: Quickbooks Connection Diagnostic Tool

Quickbooks connection diagnostic tool is one of the best tools of Intuit. With this tool, you can tackle the connection issue within the company file.
  • The user needs to first download and install the Quickbooks Connection diagnostic tool.
  • Once done, you need to just scan the folder of the QB file.
  • Make sure to write down the IP address that you see when you run the tool.
  • Go through all the guidelines and then make sure to do a proper configuration of the firewall ports.
  • Move ahead with all the guidelines till the error gets resolved.
  • Once you have executed all steps safely, make sure to access the QB company files.

Solution 5: Quickbooks Database Server Manager

Quickbooks database server manager is another tool that can rectify any of the errors easily. Here are the steps that you can conduct for running this tool.
  • First of all, just access the Windows Start menu.
  • Enter database in the Search field name.
  • You need to now tap on the Quickbooks Database Server Manager.
  • Make sure to spot the folder containing your company files.
  • Consequently, hit the Browse button.
  • Tap on the tab named Start Scan.
  • Once done, try to fix settings related to QBDSM.
  • Hit the tab named Close when the scanning procedure becomes done.
  • After that, open every workstation and try to open the software.
  • Go to the File menu now.
  • Choose the tab named Switch to multi-user mode.
  • Finally, try to open the software in the multi-user mode.
  • You are now good to go with your company file.

Solution 6: Verify Services related to the Software

The user needs to move into the steps below only if the server is running a full version of the software.
  • Firstly, make sure to open the Quickbooks on the server.
  • After that, you need to go towards the File.
  • Now, hit the Utilities tab.
  • Once done, you need to hit the tab named Host Multi-User Access.
  • Examine the running status of QBFCMonitorService and QuickbooksDBXX on the server. Below are the steps that will help you in doing so.
  • You need to open the Run window.
  • Enter Services.msc in the text field and thereafter choose the OK button.
  • Hit the QuickBooksDBXX.
  • Now, try to examine the Startup and turn it into Automatic.
  • You need to run the Startup type also.
  • Hit the Recovery tab and turn it into automatic as well.
  • After that, just move ahead to the menus list in the first, second, and subsequent failures.
  • Choose the service for all of these.
  • Click on the Apply button.
  • Moving on, hit the OK button.
  • Once the QuickBooksDBXX is configured, you need to configure the QBCFMonitorService from the same steps.

When these two are configured properly, examine the error issues. If the error persists then move ahead to the last solution given below.

Solution 7: Verify Network Connectivity

This is the last solution that you can conduct for troubleshooting the problem. Make sure to conduct each step carefully. You will definitely get rid of the error if it is not resolved yet. Now, let's start the procedure and resolve the issue.
  • The user needs to first access the Run window.
  • Make sure to open it only in the system that brings Quickbooks error H303.
  • After that, you need to type CMD in the given field.
  • Once done with that, just click the OK button.
  • In the next step, you need to use the system that shows you the error text to ping your server.
  • Thereafter, just type ping_server.
  • Hit the Enter tab in the next step.
  • You need to conduct the same steps on your workstations as well.
  • Examine the response that you receive, if it is slow then the issue is related to the network and the user needs to conduct a repair for that.

So, make sure to consult your IT technician here and share the error issue.

Wrapping Up!

The user needs to resolve the error with these solutions. Error H303 will surely get resolved so just don't get nervous during the process. Keep your faith and eradicate this error issue in a minimal time. We hope that you like this article and resolve all of your queries related to the topic.


Author: Rachel Gomez20 Jul 2022 Member Level: Bronze   Points : 7

Techniques to do away with QuickBooks Error H303

Using the following methods to dispose of QuickBooks Error H303:

Method 1: Troubleshoot h303 Error QuickBooks Code using QuickBooks File Doctor.
• Simply download and install the QuickBooks File Doctor application on your device.
• The file doctor method in the system should start operating mechanically after it has been put in. First of all, this tool can detect problems or errors related to the QuickBooks software program, and then automatically correct all of these QuickBooks errors.
• You can restart your accounting software program after you have completed the process.

Method 2: Take a look at QuickBooks website hosting Settings
• Release QuickBooks on desktops that are configured as multiple system users.
• Choose a record for each PC and then click Utilities > Forward Web Hosting Multi-Consumer Configuration.
• Forestall Web Hosting Multi-user system configuration.
• Now, by selecting File > Utilities > Host Multi-Person, you want to turn on the website hosting on a single laptop.
• Release QuickBooks again on both systems.

This may help you,
Rachel Gomez

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