Address QuickBooks Error H505 with Reliable Solutions QuickBooks error H505 is a part of the H series error, which can arise when there are hosting issues on the server PC and workstations. This error can prevent users from accessing the company files in a multi-user network and can arise when the ND file is damaged, or the database server is inactive. If you encounter QuickBooks error code H505, you can follow the detailed guide mentioned below to tackle the issue. You can call our team of QB technicians at 1–855–856–0042 to get immediate help with the hosting issues in the app in case the reliable steps given below seem too time-consuming or challenging to comprehend. QuickBooks Desktop Error H505: Possible Reasons and Triggers The following common causes and primary scenarios might lead to QuickBooks error message H505 The Windows firewall or your anti-virus app might be configured to block QuickBooks from accessing the company files on the server and workstations. Essential files, like the network data file needed to run the company files, might not be running correctly, and the ND file might be damaged or corrupted. The QuickBooks database server manager might be inactive or unresponsive, and the data service user might lack proper access permissions. QuickBooks is unable to retrieve the IP address, and the current server address might be incorrect or unavailable. The hosting setup on the server might be misconfigured, and the incorrect hosting settings might prevent users from running the QBW files. Troubleshooting Steps to Reliably Eliminate QuickBooks MultiUser Hosting Error H505 QuickBooks company file error H505 can be successfully addressed by using the resolution methods given below - Method 1 - Review the Firewall Ports from the Advanced Tab to Allow QuickBooks You can tackle QB error code H505 by checking the firewall ports and allowing QuickBooks without blockages. Open Windows Firewall from the Start tab and go to the Advanced menu to right-click Inbound Rules. Choose New Rule and hit the Port button, then choose Next to ensure that the TCP option is enabled. Enter the specific ports in the Local Ports field and choose Allow the Connection to ensure that all the profiles are checked, then create Outbound Rules and hit Finish. Method 2 - Edit the Windows Host File from the Computer Tab of the Start Menu Issues with the hosting settings in QB can be fixed by editing the Windows host files. Select the Computer section of the Windows Start menu and navigate to the C:\Windows\System32\Drivers\Etc path to double-click the Host option. Open Notepad to type the IP Addresses and the corresponding computer names, and once configured, hit Save and check the status of the H series error. Conclusion You can use the relevant steps given above to tackle QuickBooks error H505 successfully. If these solutions seem ineffective in fixing the hosting issues, you can call our QB experts at 1-855-856-0042 to get professional help with the error.