How To Fix QuickBooks Error H303

QuickBooks Error H303

QuickBooks software, like some other online accounting software, contains errors that need to be fixed from time to time. QuickBooks problem H303 is one of the most often encountered error issues, and it is usually caused by incorrect configuration settings⚙️ when the connection between two systems is first set up to exchange corporate information. It is possible that you may get trapped and unable to access it as a result of this issue. In this blog, you will get comprehensive information about this error, as well as all viable solutions for resolving this error.

What are the Causes 😕of QuickBooks Error H303?

There are many factors that contribute to this erroneous problem, all of which are stated below:

  • ND folders are a kind of folder.
  • When the system’s network is not functioning properly.
  • Incorrect setup of the hosting environment.
  • This error message will show on your screen if the firewall authentication process prevents all communication activities from taking place.
  • It was not possible to access the corporate folders that were accessible via the IP address.

Also Read: QuickBooks Error Code H202

How Do One Resolve the QuickBooks Error H303?

We present you with a variety of alternatives for resolving this error problem.

Step 1: Installing the QuickBooks File Doctor and Following the on-screen instructions will resolve the problem.

  • First and foremost, the user must ensure that QuickBooks has been properly installed and configured on the server🖥️.
  • After receiving confirmation, launch the QuickBooks File Doctor, which will automatically check your file 🗄️for errors and rectify any that are found.
  • And you’re working on resolving all of the concerns that have arisen in connection with the “QuickBooks Multi-User Hosting.”

Step 2: Change the location of the QuickBooks Folder 📂in the QuickBooks settings⚙️

  • First of all, create a new folder.
  • Then you need to set and share the window access permission. So, you can easily share all the company files🗄️.
  • Next, make a note of and copy the.qbw folder,📂 then put the duplicated file into the different folder you just created.
  • And you are all prepared to launch the business file 🗄️using multi-user mode.

Step 3: Create new Configurations for the Firewall authentication.

  • Open 📂a new window and choose “control panel,” then “Firewall authentication” settings from the drop-down menu that appears.
  • Afterwards, users must choose “Allow software via the firewall” from the drop-down menu.
  • Follow the exception list, selecting “Add Programs” and “Add QuickBooks 20xx” from the drop-down menu.
  • After you have completed the whole procedure, you should start your QuickBooks to ensure that the new modifications have taken effect.

Step 4: Examine your QuickBooks Settings ⚙️to see if they are right or not.

  • First and foremost, make sure that QuickBooks is running in multi-user mode.
  • Then, on both platforms, you must pick the folders that were previously chosen.
  • In the next window, choose “Utilities” from the file 🗄️drop-down menu and check the box labeled “Stop Hosting Multi-user configuration.”
  • From any of the systems, choose “Turn on hosting” from the drop-down menu. Go back to the utilities menu and choose the Hosts Multi-user configuration option.
  • At the completion of the process, restart your pc on both computers with the newly configured settings.


If you were fortunate enough to locate the previous article on QuickBooks Error H303, you should have found the information you were looking for there. If you weren’t, you should have looked elsewhere. Please contact the hotline for help as soon as possible if you do have any questions or encounter any issues while following the instructions. Someone from our team is always accessible to help you with any challenges or concerns that you may be experiencing at any point in time. How fast the team answers questions depends on how much work they have currently. If a manager or executive is not able to answer your questions immediately, they will return you their response as soon as possible.


How can I determine which machine is hosting the QuickBooks server in order to resolve QuickBooks problem H303?

In order to do this, you must execute these procedures at all of the workstations. The steps are as follows:-

  • Create a QuickBooks user account.
  • Next, choose File from the File 🗄️menu.
  • Then choose Utilities from the drop-down menu.
  • If indeed the choice “Host Multi-user Access” shows on the screen, click on it to activate it.
  • Choose it by clicking on it.
  • The option to stop hosting multiple user access will not be available if this option is shown.
  • If the desktop that is hosting receives a request to stop hosting multi-user access.
  • The system displays the choice Stop Hosting Multi-User Access.

If you are experiencing network difficulties, you must first download and install the QuickBooks Tool Hub before running the programme on our server.🖥️ After that, choose the Network problems option from the drop-down menu. Then pick the QuickBooks Database Server Manager from the drop-down menu. If not already installed on the server🖥️, the programme will prompt you to do it.

There are two methods for configuring the QuickBooks Database server manager, which are as follows:-

  • To build the Database Server Manager on only the server machine, which is referred to as “the server alone option.”
  • Installing the Entire Program Option- You must install the full version of QuickBooks, which is QuickBooks Desktop with the QuickBooks Database Manager, on the computer in order to use this feature.