The QuickBooks error code H505 manifests itself whenever something prevents a connection from being made between your computer and the server. When you attempt to view a company file from a location other than your computer, you will receive an error notice. There are a few different situations that might cause the multi-user connection to become blocked. The hosting settings of your QuickBooks application are likely to be the source of the QuickBooks error code H505.
Your ability to access company files that are served to a network via a server is hampered as a result of the error. The purpose of this post is to provide you with a number of different strategies that you can implement in order to avoid the error message.
Here Top 3 Solutions to Fix QuickBooks Error Code H505
Solution 1: Open the QuickBooks file using the File Doctor.
Solution 2: Make Sure that Just The Server is Set to Allow Multi-User Hosting.
Solution 3: Investigate the QuickBooks Online Services.