QuickBooks error code H505 generally occurs in a multi-user mode or when the user tries to approach the company files on another computer which does not have a complete installation set up of the software. Below are some methods and steps that you can follow to fix this error.
Steps to fix Error H505:
•Check the hosting process and stop multi-user access option
•Ensure that the services of QuickBooks are running
•Change firewall settings
•Create a new QuickBooks company folder on the hosting computer
If you follow the steps mentioned above carefully, you will be able to get rid of this error. Else, you can also ring up QuickBooks support phone number
to get expert’s guidance and assistance on the issue