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How to resolve QuickBooks Error Code H 505
QuickBooks Error H505 usually occurs because the Firewall on your device cannot read QuickBooks and hence blocks the program. Follow the steps below to change the firewall settings and troubleshoot the error:
• Step 1: Open the control panel and go to the firewall settings.
• Step 2: Click the edit option and select ‘Add exceptions.’
• Step 3: Go through the list of programs and look for QuickBooks.
• Step 4: Add QuickBooks to the exception list and then restart your computer.
If you notice that QuickBooks Error H505 persists, then you can call the QuickBooks customer service number and consult a certified software expert to implement a more advanced solution to fix the problem.
Solved: https://www.easy-resolve.com/quickbooks/

Amber Smith 02/24/2020 05:51

Replies:
Adrian Gates 05/29/2020 15:37
If you see Error H101, H303, or H505, one or more of your workstations is set to be the server for QuickBooks. Your server (the computer that hosts your company files) should be the only computer set to host multi-user mode.


The Host Multi-User Access option should be turned off on your workstations. These are the computers connected to your network that don’t host your company files. Your server computer should be the only one hosting.

Note: You can do these steps before opening a company file.
Open QuickBooks on any workstations where you see H101, H303, or H505.
Don't open your company file. Instead, select the File menu and hover over Utilities.
If you see the Host Multi-User Access option, don’t select it. Move on to the next workstation. This one isn’t causing the problem.
If Stop Hosting Multi-User Access is an option, select it.This image shows the open File menu with utilities selected. You can see the Stop Hosting Multi-User Access option.
Repeat these steps on all workstations where you see Error H101, H303, or H505.
After you check your workstations, move on to your server computer. This is the computer that normally hosts your company files.

Open QuickBooks on your server computer.
Open the File menu and hover over Utilities.
If Host Multi-User Access is an option, select it. If Stop Hosting Multi-User Access is an option, don’t select it.