How to Fix QuickBooks Error H505 (A Multi-User Mode Issue)?

If you are facing QuickBooks Error H505 this error indicates that you are facing some kind of Interruption in the connection to the server. Often this error is related to the H series which is caused due to network issues when you try to access the QuickBooks company file on server. You will get this message pop-up to access the file –The error code reads: This company file is on another computer and QuickBooks needs some assistance connecting. Reasons that cause QuickBooks Error code H505 There are many reasons that cause QuickBooks Error code H505. Here we are discussing some most of the common reasons- Windows firewall or third-party firewall blocks the connection between computers in the network. If you are using oldest version of QuickBooks. So installed latest version updates . This error indicates when the server hosting the company file has incorrect hosting setup of QuickBooks application . Damaged or corrupted network data file (.ND) tha...