QuickBooks Error H505

The H series error in QuickBooks is a direct sign of issues with the multi-user configuration on the server PC. One such error is the QuickBooks error H505, which can prevent users from running the QBW files in a multi-user environment. The error code can get triggered due to some common causes, like Windows firewall obstructions. If you are getting the QuickBooks error code H505, you can use the troubleshooting steps given below to easily eliminate the issue once and for all.

If you are unable to run the QBW files correctly, you can follow the methods given below to address the issue. In case these solutions seem too technical to understand and you don’t want to undertake them on your own, you can call us at 1.855.738.2784 to get direct assistance from our team of QB technicians.

Main Reasons & Factors for the QuickBooks Error Message H505

QuickBooks Desktop error H505 can get triggered due to the common causes & scenarios mentioned below –

  • Windows firewall or an anti-virus app is causing obstructions while accessing the QBW files and preventing QB from running in a multi-user mode.
  • The DNS settings might be incorrect or misconfigured, and the security settings might be interfering with the QB functions.
  • The QuickBooks hosting configuration settings on the server PC might be incorrect or improper, which is triggering the H series error.
  • There are issues while running the database service in QB, and the service might be inactive, unresponsive, or missing from the server PC.

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Relevant Solutions to Quickly Terminate QuickBooks Company File Error H505

QuickBooks multi-user error H505 can be easily eradicated by using the detailed solutions provided below –

Solution 1 – Edit the Database Service Startup Type Option from the Run Tab

You need to ensure that the database service is running correctly and it is switched to automatically startup to dismiss QB error code H505.

  • From the Windows Start menu, access the Run window and run the MSC command to search for your QuickBooks Database Server Manager version.
  • If you cannot find the database service, ensure that the hosting is enabled to verify the status, and open the database server manager to hit the Recovery menu.
  • Next, save the changes by hitting Apply & OK, and check if the error code H505 is successfully removed.

Solution 2 – Modify the Hosting Settings on the Server PC and Workstations from the Help Menu

You can fix the hosting issues in QB by editing the settings from the file tab in the following manner –

  • Open QuickBooks on the server PC and hit the File tab to select the Utilities section, choose the Host Multi-User Access option, and enable the hosting setup.
  • Next, open QB on one of the workstations, hit the File menu to choose the Utilities tab, and select the Stop Hosting Multi-User Access option to disable it.


You can use the effective techniques provided above to tackle the hosting issues leading to the QuickBooks error H505. These expert-approved solutions will help you dismiss the error, but if the issue prevails, you can contact our technicians at 1.855.738.2784 to get direct assistance.

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