QuickBooks error H505 is the most common error users encounter while switching the QuickBooks desktop application from single-user mode to multi-user mode. Generally, the error shows up on the screen with a message, “This company file is on another computer, and QuickBooks needs some help connecting.” The error prevents users from opening the company file in multi-user mode. This blog will give you detailed information on QuickBooks error H505, so read carefully till the end.
If you are tired of facing QuickBooks error H505 and want to fix it right away, then dial our toll-free number (+1 800-417-5147) and get assistance from the certified QuickBooks expert’s team
What are the factors responsible for QuickBooks error H505?
There are numerous causes behind the error. We have listed some of them below. Take a look before proceeding to the troubleshooting procedure:
QuickBooks services have been stopped.
Incorrect hosting configuration settings.
The firewall is blocking QuickBooks from connecting to the server.
Now, proceed to the solutions given below.
Most Effective Solutions to Fix QuickBooks error H505
The troubleshooting solutions given below will help you fix the error:
Solution 1. Disable Multi-User Access
Perform the following steps on workstation getting the error:
Open QuickBooks.
Go to the File menu and select Utilities.
Select the Stop Hosting Multi-User Access option. If the option is not visible, go to another workstation, this workstation is not causing the problem.
Now, move to the server computer.
Select the Host Multi-User Access option.
Reopen QuickBooks.
If you still get the error, move on to the next solution.
You may also read Quickbooks error 6177
Solution 2. Create a new folder for the company files
The following steps will guide you through creating the new folder:
Move to the C: drive of your computer.
Now create a new folder on the desktop.
Open the folder that has the company file.
Search for the QuickBooks Desktop company file having .qbw extension.
Right-click the company file and select Copy.
Open the new folder that you have created earlier and paste the file.
You will also need to set permissions to share company files.
Now all you have to do is to open QuickBooks and open the file from the new location.
If the error continues, proceed to the following solution.
Solution 3. Remove QuickBooks from firewall’s block list
Follow these steps to configure firewall settings:
Select the Windows Start menu.
Type "Windows Firewall" in the search bar and open Windows Firewall from there.
Click Advanced Settings and right-click Inbound Rules and finally select New Rule.
Choose the Port and then select Next.
Make sure to select TCP.
Using the Specific local ports field, add the specific ports needed for the QuickBooks version you are using.
After entering the port number, click Next.
Mark Allow the connection option and click Next.
Ensure all the profiles are selected.
Next, create a new rule and name it “QBPorts(year).”
Click Finish.
Now, follow the above steps again and create Outbound Rules.
We hope the solutions discussed in the blog help you fix QuickBooks error H505. If you face any trouble performing the steps, get in touch with the QuickBooks support team by dialing our helpline number (+1 800-417-5147).

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