Are you unable to switch to a multi-user environment due to QuickBooks error H303? We understand that sharing company files with other employees is essential, and such situations can be exasperating when you can't do so. Don't worry, we have got you this comprehensive blog, which explains everything from the causes to the solutions. The reasons that might cause it are wrong hosting settings, improper QB installation, insufficient file permissions, etc. To learn more about the problem, review the blog and explore the details shared.

If fixing QB error H303 seems difficult to you, don't cudgel your brain over it and simply contact our professional advisors. Give a call to 1.855.738.2784 and discuss your concerns with them.


Potential Culprits Behind QB Hosting Error H303

These are some reasons that might lead to error H303.

  1. Misconfigured hosting settings.
  2. Improper QB installation.
  3. QB Database Server Manager fails to open the company file.
  4. Due to a lack of Windows file permissions.
  5. It might be due to the firewall or antivirus software.

Ways to Resolve the QuickBooks Error H303

Let's go through the methods given below. They are proven effective in eliminating QB error H303. See what steps it consists of:

Configure hosting settings

  1. Open QB on any of the workstations where QuickBooks error H202, H101, H303, and H505 have occurred.
  2. Remember, you don't need to open your company file. Conversely, go to File and choose Utilities.
  3. If the Host Multi-User Access option appears, don't pick it.
  4. Move to the next workstation because this one is not creating any problem.
  5. Tap on the Stop Hosting Multi-User Access options if they appear on the screen.
  6. You must repeat all the steps on all the workstations where you have experienced error H101, H303, or H505.
  7. Open QB on the server computer and choose File.
  8. Tap on Utilities.
  9. Click Host Multi-User Access if this is an option.
  10. If you see the " Stop Hosting Multi-User Access" option, don't select it.

Run QB File Doctor

  1. Open the QB tool hub.
  2. Tap on Network Issues.
  3. Choose QuickBooks Database Server Manager. If QB is not installed on your server, you will be asked to install it.
  4. In the Database Server Manager, if you can see your company folder, click Start Scan.
  5. If not, locate your company file and then click on Start Scan.
  6. This utility repairs firewall permissions automatically.
  7. After the scan process is completed, click Close.
  8. Now, open the QB on the workstations where you saw the error H303.
  9. Choose File.
  10. Tap on Switch to Multi-User Mode.
  11. If you use a server computer, don't forget to check this too.

Run the QB Database Server Manager

  1. Open the tool hub.
  2. Choose Company File Issues.
  3. Click on Run QuickBooks File Doctor, which can take a minute to open.
  4. If you fail to open the tool, open it manually by searching for QuickBooks File Doc.
  5. Go through the company file dropdown list, look for your file.
  6. If you can't find your file, browse and search for it.
  7. Choose Check your file and Network (top option).
  8. Click on Continue.
  9. Input QB admin password.
  10. Tap on Next.

Wrap It Up

Hopefully, the information has been useful to you in fixing QuickBooks error H303. But before you fix it, you must review its cause to understand the problem better. If you still need professional guidance, give a call to 1.855.738.2784.

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