QuickBooks Error H505

QuickBooks Error H505​

Errors while using QuickBooks are common, especially since errors can sprout up due to many reasons. This can make it difficult for you to continue using QuickBooks with the intended level of efficiency and productivity. One such error is the QuickBooks Error Code H505. QuickBooks error H505 is an H-series error among the many errors that can possibly occur while using the program. So here, we will expand more on this error, including the causes for the error and the solutions through which you can resolve it.

The QuickBooks error code H505 is an H-series error and most commonly pops when you try to access a company file that is not present on either the local device or the network. More specifically, the error occurs when you try to switch to a multi-user hosting mode and the availability of the company file is compromised. The company file is the most crucial component when using QuickBooks. It is since this file includes all information regarding the company and facilitates all accounting actions to be taken.

However, the absence of the same either intentionally or unintentionally can be an indication of a serious issue. And considering its seriousness, it needs to be resolved so that you can get the most out of the application. But, before you get down to resolving the issue, it would help you to first identify the reasons for the error. So, move on to the next section to understand why the error occurs in the first place.

Causes of QuickBooks Error H505

Causes behind QuickBooks error code H505 can be identified to be immensely varied, ranging from issues with QuickBooks, the company files, DNS settings, as well as other issues with your computer. Here are some of the most common reasons for the error:

  • You have incorrect configurations in place for hosting more users.
  • You have incorrect DNS settings in place, interfering with connectivity to the internet.
  • Your QuickBooks Database Server Manager is unable to determine the host computer’s IP address or whether multiple IP addresses are being used to enter the server.
  • There is a damaged or incorrect .ND file that is interfering with the ability of the entire server and the users present in the network from accessing the company file.
  • The QuickBooks functions and processes in your computer, such as QuickBooksDBXX/QBCF, are unable to operate efficiently.
  • Your system firewall or anti-virus settings are blocking the network, preventing the company file to be accessed over the cloud hosting network.

While these are the reasons for the error, you would not be unable to diagnose the specific reason if you are not aware of the symptoms of the error. So, here are some symptoms that you are most likely to face to help you determine that you are facing the QuickBooks error code H505:

  • The error message for QuickBooks error H505 appears on the screen.
  • The QuickBooks program freezes temporarily for a few seconds or minutes.
  • An active program window crashes unexpectedly once the error message pops up.
  • If the speed of your computer and other programs suddenly decreases substantially.
  • Your system crashes frequently when running the program.

How to resolve the QuickBooks Error H505

Method 1: Use the QuickBooks File Doctor Tool
To implement this solution, follow the below steps:

  • Step 1: Begin by making sure that QuickBooks Desktop is present on the computer accessing it through the server.
  • Step 2: Then download the QuickBooks File Doctor Tool.
  • Step 3: Run the tool on the server to resolve the issue.

Method 2: Change your firewall settings
To implement this solution, follow the below steps:

  • Step 1: Open the Control Panel on your computer.
  • Step 2: Go to the ‘System and Security’ option and then go to ‘Windows Firewall and Network Protection.’
  • Step 3: Then go to ‘Advanced Settings’ and then to ‘Inbound Rule.’ Then go to ‘New Rule.’
  • Step 4: Select the relevant port and then click ‘Next.’
  • Step 5: Ensure you have chosen the right TCP option.
  • Step 6: In ‘Specific local ports,’ enter the year of your QuickBooks version.
  • Step 7: Click ‘Next.’
  • Step 8: Restart QuickBooks to complete the process.

Method 3: Check the server services enabled
To implement this solution, follow the below steps:

  • Step 1: Open the ‘Run’ window by pressing Windows Key + R on your keyboard.
  • Step 2: Type in “services.msc” in the space and click on OK.
  • Step 3: Locate “QuickBooksDBXX” from the list, where “XX” corresponds to your version of QuickBooks.
  • Step 4: In ‘Startup Type,’ choose the ‘Automatic Tab.’
  • Step 5: Then make sure that in the ‘Service Status’ option, it is set on either ‘Running’ or ‘Started.’ If neither is chosen, then click on ‘Start.’
  • Step 6: Then click on the ‘Recovery’ tab.
  • Step 7: Click on ‘Restart the service’ for the three menus of ‘First failure,’ ‘Second Failure,’ and ‘Subsequent Failures.’
  • Step 8: Then click on ‘Apply’ and then ‘OK’ to save changes.
  • Step 9: Then repeat steps 4-8 after locating “QBCFMonitorService” from the list in Step 3.

Method 4: Relocate the company file to a new folder
To implement this solution, follow the below steps:

  • Step 1: Open a new folder in the computer hosting the server.
  • Step 2: Make sure this folder is accessible by Windows with the correct entry permissions.
  • Step 3: then locate the original QuickBooks folder with the company file and copy the .QBW extension file into the new folder.
  • Step 4: Conclude by enabling the multi-user mode and launching the company file.


While errors are bound to occur, you need to know how to resolve them to ensure maximum productivity out of your QuickBooks session. So, if you are facing the error H505, these solutions can help you resolve them properly to maintain your productivity and efficiency. However, if you still face issues, you can contact us to get specialized assistance in resolving any QuickBooks-related errors, even apart from the QuickBooks error H505.

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