Easy Way to Rectify QuickBooks Desktop Error Code H505
                     QuickBooks Desktop 
Error Code H505: 
Fixing the Multi-User 
Mode Error
Are you encountering the annoying obstacle known as error H505 when attempting to access your 
company file in multi-user mode? QuickBooks Desktop Error Code H505 typically arises when 
multiple workstations are incorrectly configured to host multi-user access rather than just the 
designated server PC. 
Additionally, it can occur when your company file struggles to establish a connection to the server in a 
multi-user environment. Our blog is available to give you the direction and assistance you need to 
handle this problem quickly and successfully.
Avoid letting the H505 QuickBooks error keep you down! Our professionals have years of 
expertise and are skilled at solving QuickBooks issues, so they can handle your particular 
needs and restore the functionality of your multi-user mode. Give our Toll-Free Number, 1-855-
856-0042, a call right now, and we'll help you easily fix QuickBooks issue H505.

Components Responsible for Affecting the Error 
H505 in  QuickBooks Desktop
The two major events that eventually led to the error H505 in QuickBooks Desktop are listed below.
• Error H505 occurs when multiple workstations mistakenly host the company file instead of the 
designated server. This improper hosting configuration interferes with multi-user access, causing 
connectivity problems and impeding QuickBooks' smooth operation in a multi-user setting.
• Firewall regulations cause errors that prevent both inbound and outbound connections with the 
corporate file, hence impeding multi-user connectivity. Resolving this problem and guaranteeing 
networked PCs' continuous access to company files requires modifying firewall settings to permit 
QuickBooks communication.
Solving QuickBooks Desktop Error H505 in Depth
To fix the issue related to QuickBooks Desktop Error H505, try these steps in detail.
Solution 1: Configure Server to Host Multi-User Access
To fix QuickBooks problem H505, it is essential to confirm that the server is the only device set up to 
support multiple users. Before gaining access to the company file, take these steps to fix QuickBooks 
problem H505.
• Start QB Desktop on the workstation that is facing the QuickBooks H505 error.
• Then, move the cursor to the ‘File' section and click ‘Utilities.’
• If you see ‘Host Multi-User Mode Access', move to the next workstation.
• However, if you see ‘Stop Hosting Multi-User Access', click on this option.
• Perform the same steps as discussed above on all other affected workstations.
• For the start the QuickBooks Desktop application on the server computer.
• To do this, you must move to the ‘File’ option and then click on ‘Utilities.’
• Here, if you see ‘Host Multi-User Access', you need to select the option.
Solution 2: Try Reconfiguring Firewall Settings
Take a look at these steps.
• Start the ‘Run’ command to access the ‘Control Panel' later.
• After this, move the cursor to the ‘System and Security' option and then move to ‘Windows 
Firewall.’
• Later, in the ‘Advanced Settings' window, you need to head to the ‘Inbound Rules' option.
• Here, you have to choose ‘New Rules.’
• Then, go to the ‘Port’ option and proceed by clicking on ‘Next.’
• Here, make sure to choose the ‘TCP’ option.
• Now, enter the port number corresponding to the QB Desktop version.
• And then, choose the ‘Next' option and start the QuickBooks desktop again.
In conclusion, our detailed guide on QuickBooks Desktop Error Code H505 aims to assist you in 
resolving the issue from its root cause. If you encounter the error again or notice other system issues, 
don't hesitate to reach out to our expert team. We're here to investigate the issue, scan your files, and 
provide prompt assistance. Call us at our Toll-Free Number, 1-855-856-0042, to resolve the H505 
error promptly.