QuickBooks Company File Error H505

QuickBooks Error H505 is a common error encountered by users many times. It usually occurs when a user tries to run QuickBooks Desktop in multi-user mode. This error belongs to the H series error which is related to error issues that arise when a user attempts to access a company file, that doesn’t exist on the device or the network he is using. To tackle QuickBooks error code H505 we have brought you this article where we will discuss about this error in detail. We will provide information about its symptoms, causes and troubleshooting solutions to rectify this error. To learn more about this issue keep reading this article till the end. However, if you are seeking expert assistance you can contact our technical support team. Our experts will provide you with round-the-clock assistance and will resolve your issue by remotely accessing your software on your behalf. Reach out to us by using our helpline number i.e. +1-888-351-0999.

What is QuickBooks Error Code H505?

QuickBooks error code H505 appears when a user tries to get company files or data to another computer and that computer does not have the appropriate installation configuration or the computer requires additional installation or configuration. The H line error is related to hosting installation problems. This error code appears on the screen because one or more of the user’s computers are set as QuickBooks servers. The following error message may appear on your computer screen when this error occurs:

Error Code: H505

Error Description: This company file is on another computer, and QuickBooks needs some help connecting.

What are the Causes of QuickBooks error H505?

Since this error is one of the most common, there are several possible causes for the H505 error message to appear. Some of the most important causes are mentioned below:

  • The device’s hosting configuration is incorrect.
  • Presence of an incorrect or corrupt .ND file makes the QB company file inaccessible to the entire network.
  • Incorrect DNS settings can cause such errors.
  • This can happen when QB services like QuickBooksDBXX/QBCF are down.
  • In case the QuickBooks database server manager cannot find the server’s IP address or it is using several different IP addresses.
  • This error can occur if the system’s firewall settings prevent QuickBooks from accessing the company files.

 What are the symptoms of QuickBooks error H505?

 The signs and symptoms of Multi-User Error H505 are as follows:

  • This error appears and freezes an active program window.
  • The system often crashes when running the same program.
  • If error code H505 appears on the screen.
  • QuickBooks cannot enter multi-user mode.
  • Another possible sign is that Windows is running slowly.
  • If you cannot access the QuickBooks company file from another computer or server.
  • If QuickBooks crashes or crashes frequently.
  • QuickBooks shows slow response time when accessing company files.

Steps to Fix QuickBooks Error Code H505

Try the below steps to resolve the QuickBooks Error Code H505:

Method 1: Run the QuickBooks File Doctor Tool using the Tool Hub program

Method 2: Create a new folder for the company file and allow access to the company file

Method 3: Configuring Firewall Port Settings

Method 4: Change QuickBooks Hosting Settings

Method 5: Change system firewall settings and create exceptions

Method 6: Edit hosts file

Step 1: Find the IP address and server and workstation computer names

Step 2: Edit the Windows hosts file Now after the above steps, you need to edit the Windows hosts file:

Method 7: Run QuickBooks Database Server Manager on the server from the Tool Hub

Step 1: Download and install QuickBooks Tool Hub on the server

Step 2: Run QuickBooks Database Server Manager, from the Tool Hub program.

Method 8: Follow the steps based on how your company files are stored

Step 1: Host your private network There are two ways to configure QuickBooks Database Server Manager:

Step 2: Network Storage Using Windows Server 2012 Essentials R2 Users need to take several steps to use Windows Server 2012 Essentials R2 for network storage.

Method 9: Open the network ports that QuickBooks uses to transfer knowledge

Step 1: Configure Firewall Settings

Step 2: Enable Network Discovery

Step 3: Find out the server name 

Method 10: Check services on the server


QuickBooks Error Code H505 is to be resolved immediately as it can disrupt your work and may also cause data loss. This is a common error that QuickBooks Users often encounter. However, resolving this error doesn’t require any rocket science and few correct methods can resolve this issue. So, just go through the above-mentioned steps and apply them carefully. These steps will definitely help you to overcome this issue. If in case you still find it difficult you can contact our QuickBooks support team for assistance. Our experts will help you to get rid of this issue permanently and make sure you never face this again. You can reach our experts at our helpline number i.e. +1-888-351-0999.

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