QB error h505

Everything You Should Know About QuickBooks Error H505

The “H” series in QuickBooks error codes, including Error H505, refers to a network connectivity error within QuickBooks. The “H” series errors indicate a problem with the connection to the QuickBooks company file, either on the hosting computer or between the hosting computer and client computer(s).


What is QuickBooks Error H505?

QuickBooks Error H505 is a network connectivity error that occurs when a user tries to access a QuickBooks company file hosted on a different computer but is unable to connect. This error message usually pops up due to firewall restrictions, incorrect hosting setup, damaged network data files, or a damaged QuickBooks installation. To resolve the error, the user can try disabling the firewall, verifying the hosting setup, repairing the damaged network data file, or reinstalling QuickBooks on the affected computer. Resolving the error is important to ensure smooth functioning and uninterrupted access to the company file.

Reasons of QuickBooks Error H505

QuickBooks Error H505 can occur due to multiple reasons, including:

  • Firewall restrictions: The firewall on the client computer or the hosting computer may be blocking the connection.
  • Incorrect hosting setup: The hosting setup on the hosting computer may be incorrect or incomplete.
  • Damaged network data file: The QuickBooks company file may be damaged on the network, preventing access.
  • Damaged QuickBooks installation: The QuickBooks installation on the client computer may be damaged, preventing access to the company file.
  • Incorrect network configuration: The network configuration on the client computer may be incorrect, causing connectivity issues.
  • Network issues: Other network issues, such as slow speed or connectivity problems, may also cause Error H505.

Solutions to Resolve QuickBooks Error H505

The solutions of QuickBooks Error Code H505 are given below. You will use these solutions to completely resolve this error.

Solution 1: Disable Firewall Temporarily

Disable firewall

  • On the client computer, open the control panel.
  • Click on Windows Firewall.
  • Click on “Turn Windows Firewall on or off.”
  • Select “Turn off Windows Firewall” for both private and public networks.
  • Restart QuickBooks and try accessing the company file again.

Solution 2: Verify Hosting Setup

  • First Go to the hosting software.
  • Open QuickBooks.
  • Go to File, then  choose the Utilities.
  • Click on “Host Multi-User Access.”
  • Make sure that “Yes” is selected and that the hosting computer is set up as the host.

Solution 3: Repair Damaged Network Data File

  • Go to the hosting computer.
  • Now Open QuickBooks software.
  • Go to File, then Utilities.
  • Click on “Verify Data.”
  • If any errors are found, repair them.
  • Repeat the process until no errors are found.

Solution 4: Reinstall QuickBooks on the Affected Computer

  • Go to the control panel on the affected computer.
  • Click on Programs and Features.
  • Find QuickBooks in the list of programs.
  • Uninstall QuickBooks.
  • Restart the computer.
  • Reinstall QuickBooks from the original installation source.

Solution 5: Check Network Configuration

Check Network Configuration

  • Navigate to the client’s control panel.
  • Click on Network and Sharing Center.
  • Click on Change adapter settings.
  • Right-click the current network adapter and choose Properties.
  • Check the IP address, subnet mask, and default gateway to ensure they are correct.
  • Repeat the process for the DNS server addresses.
  • Restart and Update QuickBooks and try accessing the company file again.


It is important to regularly backup QuickBooks company files to avoid data loss in case of errors or other unexpected events. Regularly updating QuickBooks software and ensuring all computers in the network have the latest updates can also help prevent QuickBooks errors like Error H505. Furthermore, having a reliable and stable network infrastructure is crucial for smooth functioning of QuickBooks in a multi-user environment. To ensure this, it may be necessary to seek the assistance of a network administrator or IT professional. By following best practices and being proactive, businesses can minimize the risk of encountering QuickBooks Error H505 and ensure the smooth functioning of their accounting processes.

Frequently Asked Questions (FAQs)

Q.1 Can QuickBooks Error H505 be resolved without IT support?

Yes, QB Error H505 can often be resolved without IT support by following the steps outlined in the solutions provided above.

Q.2 What should I do if the solutions provided do not resolve QuickBooks Error H505?

If the solutions provided do not resolve Error H505 QuickBooks, it is recommended to reach out to QuickBooks support for further assistance.

Q.3 Is it possible to prevent QuickBooks Error H505?

Yes, by following best practices such as regularly backing up company files, regularly updating QuickBooks software, ensuring a stable and reliable network infrastructure, and seeking the assistance of an IT professional if necessary, businesses can minimize the risk of encountering QuickBooks Error code H505.

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