Fixing QuickBooks Error Code H505: Multi-User Access Failed

    • 108 posts
    November 20, 2023 2:50 AM EST

    When QuickBooks shows QuickBooks H505 error, it means you have trouble accessing company files in multi-user mode. The error message points to something blocking the connection between users and the server. You need to fix the issue promptly and correctly. This article will explain the Fixing QuickBooks Error H505: Permanent Resolution Guide in more detail.

    A brief review of QuickBooks Error H505

    There are different types of H-series errors that can happen in QuickBooks. These errors usually occur when you try to access a company file stored on a server. When QuickBooks has trouble connecting to the server, it shows an H-series error on the screen. QuickBooks Multi-user error code H505 appears when QuickBooks on your computer can't connect to another computer on the network that has the company file.

    This error means there are technical issues with the network setup that are causing problems connecting the different computers in the network.

    You might get the following error message on your desktop screen:


    What are the Causes of QuickBooks Error H505?

    • If QuickBooks Desktop isn't set up correctly on the computer hosting the company file.
    • Firewall settings on Windows or another program can block the connection between computers in the network.
    • A damaged or corrupt Network Data file (.ND) that QuickBooks uses to connect to other computers in the network.
    • If you haven't updated QuickBooks Desktop to the latest version
    • If QuickBooks Database Server Manager is disabled
    • When the host computer's IP address isn't accessible.
    • Incorrect DNS settings
    • Having many workstations with hosting settings enabled.
    • When the server is unreachable or down
    • QuickBooks needs services like DBXX and QBCF Monitor Service to connect the server and workstations. If these services don't work or are deactivated, you may get error H505.
    • Damaged or corrupt system files


    Methods to Fix QuickBooks Error Code H505 (Multi-User Mode)

    Here are some possible solutions for QuickBooks error H505:

    Method 1: Updating QuickBooks

    • Open QuickBooks and click on Help, then choose About QuickBooks.
    • In the Update QuickBooks window, click the Update Now button.

    • Make sure to select New Features, Maintenance Releases, and Reset Updates.
    • Click Get Update.

    • Restart QuickBooks and click Install Now if prompted to install updates.
    • Restart your computer once the updates are installed.
    • Try opening your company file again.



    Method 2: Moving your company file to a different location

    • Find the folder on the computer where the company file is stored.
    • Create a new folder on your desktop and move the company file into it.
    • Right-click on the new folder and choose Properties.
    • Select the Advanced Sharing option under the Share tab.
    • Check the box that says "Share This Folder" and click on Permissions.
    • Choose Full Control for the Everyone Group and click Apply and OK.
    • Click Apply and OK again.
    • Try to open the company file again from your workstation.


    Method 3: Adjusting your hosting settings

    • Firstly, open QuickBooks on your workstation and click on File, then choose Stop Hosting Multi-User Configuration under Utilities.
    • On your server computer with the company file, open QuickBooks and choose Host Multi-User Configuration under Files -> Utilities.

    • Now, restart both your server and workstation computers.
    • Try opening your company file again.


    Method 4: Configuring your Windows Firewall settings

    • Firstly, press Windows + R and type Control Panel in the box.
    • Then, hit Enter and search for Windows Firewall.
    • After that, proceed by clicking on the Allow an app through Windows Firewall option.
    • Now, click the Change Settings button.
    • Then, select the box under the public list for the QuickBooks application.
    • If you don't see QuickBooks, click on the Allow another app option and find QuickBooks.
    • Click OK and choose the public option for the application.
    • Click OK again.
    • At last, try opening your company file on your workstation and see if the Error H505 still appears.


    Winding Up!

    QuickBooks Error message H505 can happen due to network problems. Even if you follow all the steps to fix it, the error might still come back or not go away. If this happens, we recommend calling our 24/7 QuickBooks error support number at 1-800-615-2347 for extra help and support.

    Read Also: QuickBooks Error Code 6010 100 – How to Fix, Resolve It?