Don’t Miss Out These Secretive Tips to Fix QuickBooks Error H505

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QuickBooks Error H505 Accounting
Jan 09, 2024

In the present era, QuickBooks has become the foremost priority for users in managing the company’s financial and other accounting tasks. Moreover, it also offers a multi-mode feature that enables users to work on the same data file simultaneously in different locations. Sometimes, users might encounter QuickBooks Error H505 while switching to multi-user mode.

Unfortunately, QuickBooks Error Code H505 might prevent users from accessing the multi-user mode and create issues while continuing with ongoing tasks. So, it is crucial to get rid of the issue as soon as possible using the correct troubleshooting techniques explained in this post.

Is resolving the QuickBooks Error H505 complicated and challenging without the proper technical experience? Call us at +1(844) 266-9345 and consult with our highly-certified professionals to figure out the issue quickly.

How Can You Define QuickBooks Error Code H505?

Usually, users might experience QuickBooks Error Code H505 when multiple workstations are set to the QuickBooks server to access the multi-user mode. However, users must be aware that their computers can only run in multi-user mode, and only the server is compatible. On the occurrence of the error, the following error message is displayed stating:

“Error Code: H505

This company is on another computer, and QuickBooks needs some help connecting.”

Users might encounter Error H505 in QuickBooks due to inappropriate DNS settings. However, numerous other factors might be responsible for this issue discussed in the post.

[Know More About QuickBooks Error H101]

What could be the possible reasons that led to QuickBooks Desktop Error H505?

Users often encounter QuickBooks Desktop Error H505 due to misconfigured hosting settings. Several other users might also be responsible for the multi-mode error. To get a clear picture, let’s examine the causes illustrated below.

Problems with the DNS Settings:- 
Sometimes, the users get stuck with the QuickBooks Error Code H505 due to misconfigured DNS Settings.

Damaged in Network Data File:-
This error could also be caused by damage or corruption in the Network Data (.ND) file.

Obsolete QuickBooks Desktop Version:- 
Another reason is that using an incompatible version of QuickBooks Desktop drags users to the multi-user mode error H505 in QuickBooks.

Firewall or Third-Party Security Restrictions:-
Sometimes, the firewall blocks incoming and outgoing communication with the data file for certain security purposes, which might cause Error H505 in QuickBooks.

Issues In Tracing the IP Address:-
There might be the possibility that the QuickBooks application cannot trace the computer’s IP address.

[Get Insights About QuickBooks Error H202]

Most Effective Solutions to Fix Error H505 in QuickBooks Desktop Instantly

This blog section will assist you in dealing with the complicated Error H505 in QuickBooks Desktop and regain access to the multi-user mode. So, without wasting much time, let’s look at the solutions below and apply them according to the cause of the error.

Fixation Method 1: Repair the Damage Present in Network Data (.ND) File

As stated above, the damaged or corrupted network data file is one of the reasons that triggers Error H505 in QuickBooks. So, to correct the issue, you must repair the damaged file by following the steps outlined below.

  1. The first step is to visit the folder containing your QuickBooks data file.
  2. After this, from the options present, find and right-click the file.ND extension.
  3. Thereon, tap the highlighted Rename option and mention.OLD at the end of the file name. This is necessary to confirm that the file is distinct from the others. 
  4. Finally, try to open the data file in the multi-user environment and verify whether the issue still exists.

Fixation Method 2: Redress the Hosting Configuration Settings 

Incorrect hosting configuration settings are a possible reason for triggering QuickBooks Error H505. So, to resolve the issue, it is necessary to correct the hosting settings by following the instructions listed below.

  1. The users must open the QuickBooks Desktop on their workstation, throwing Error H505. 
  2. Moreover, you must try to prevent the data file from opening on your device. Instead, tap the File menu and then the Utilities option.
  3. Afterward, if you observe that the Host Multi-User Access option is visible, click on it to proceed further.
  4. You are supposed to perform the same steps on all the workstations confronting QuickBooks Error H505. 
  5. After verifying the workstations, move to the server computer responsible for hosting the data files. 
  6. In the next step, try to launch the QuickBooks application on the server computer and reach the File menu > Utilities. 
  7. If you notice that the Host Multi-User Access option is selected, click on it to move further. On the other end, if the Stop Hosting Multi-User Access option is visible, avoid clicking on it.

Fixation Method 3: Take Advantage of the QuickBooks File Doctor Tool 

QuickBooks File Doctor Tool is best for dealing with network-related or company file issues. It can also terminate the complicated QuickBooks Error H505. Let’s follow the steps below to use the tool accurately and resolve this issue quickly.

  1. Reach the official website of Intuit, and from there, get the updated version of the QuickBooks Tool Hub on your device. 
  2. Once you get it, navigate to the Download section by hitting the Ctrl + J keys. From the options available, hunt for the file QuickBooksToolHub.exe, click on it twice, and open it. 
  3. After this, complete the installation process by implementing the steps given on the screen. Moreover, ensure that you have given your consent to the Terms and conditions mentioned in the License Agreement for using the tool. 
  4. Now, launch the QuickBooks Tool Hub and select the Company File Issues tab > Run QuickBooks File Doctor. After this, wait for a short while to open the tool on your workstation. 
  5. Users must choose the data file creating issues by clicking the drop-down arrow. However, if they struggle to find their file, they can tap the Browse option and start looking for it. 
  6. In the next step, hit the Check Your File and Network option and choose the Continue button.
  7. You are supposed to mention the correct QuickBooks Admin Password in the respective text fields and click the Next button. 
  8. After running the QuickBooks File Doctor Tool, if you can switch to the multi-user mode, it reflects that everything is sorted.

Fixation Method 4: Examine that the Firewall Port Settings Are Accurate

To ensure the firewall port settings are correct, the users must follow the steps listed below.

  1. The first and foremost thing to do is launch the Run Command window on the workstation.
  2. Now, mention “Control Panel” in the search area and hit the OK button to open the Control Panel window.
  3. Go to the System and Security option on the next screen and click Windows Firewall and Network Protection.
  4. You are supposed to opt for the Advanced Settings option and then choose the Inbound Rule.
  5. Following this, browse to the Port option > Next and verify that the TCP option is selected. 
  6. After this, you must include the QuickBooks Desktop version you are operating in the required text fields. 
  7. Finally, try opening the QuickBooks application again to ensure your changes have been restored and to determine whether the error is resolved. 

Fixation Method 5: Try Preparing a New Folder For the Company File

  1. The first step is constructing a new Replacement folder on your hosting computer.
  2. Soon after, the users must share the created folder and Windows access permissions to share the data files properly.
  3. Now, you must copy the file named .qbw to multi-user mode and put it into the newly created folder.
  4. Conclude the entire process by launching the company file in multi-user mode and verifying that the issue is resolved. 

Fixation Method 6: Configure the DNS Settings Accurately

Inappropriate DNS Settings on your computer could also be the reason for QuickBooks Desktop Error H505. To overcome the issue, you must modify the DNS settings using the following steps.

  1. Initially, the users must access the Run window by typing Run into the search console of the Start menu. 
  2. After this, mention “CMD” in the search area and hit the OK button to move further.
  3. As a result, it will take you to the Command Prompt window with a black screen. Herein, you must include “ipconfig/flushdns” and hit the Enter key to erase all the DNS cache stored in your device. 
  4. At last, you must check that the DNS Settings of your computer hosting the company file are accurate. 

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    Taking Everything Into Account!!

    Hopefully, we assure you that you can now easily troubleshoot QuickBooks Error H505 and switch to the multi-user environment without much effort.

    However, if you still require an expert’s opinion on fixing the issue, you can speak with our certified professionals one-on-one. You can talk to them through the live chat facility or mail them your query for a quick resolution.

    Frequently Asked Questions (FAQ’s)


    The users may notice the following outcomes upon the arrival of QuickBooks Error H505:

    1. You may have difficulty switching to the multi-user environment in QuickBooks.
    2. It could be possible that the active Windows program becomes unresponsive or start behaving sluggishly.
    3. Moreover, the users may experience their QuickBooks application start crashing or freezing.


    Users must consider some advisory tips before troubleshooting QuickBooks Desktop Error H505.

    1. The QuickBooks Desktop application you are operating is recently updated to the newly released version.
    2. The most important thing is to create a backup of the data file regularly to avoid data loss.
    3. Also, verify that you logged into QuickBooks with the proper administrative credentials.

    Yes, the misconfigured Windows firewall settings might trigger Error H505 in QuickBooks. This is so because sometimes the firewall blocks certain ports or network settings essential for accessing the files in the host computer.

    Ans.  The following are the QuickBooks or Windows editions in which you receive the QuickBooks Error Code H505.

    1. QuickBooks Enterprise 2017
    2. Windows Server 2012 R2
    3. Windows 10
    4. QuickBooks Enterprise Contractor 2022
    5. QB Enterprise 2023
    6. QB Desktop Pro 2020 on a Samba Share
    7. QB 2019
    8. Windows 10 Pro


    Ans. Yes, using the incompatible version of the QuickBooks Desktop version might result in QuickBooks Error H505.So, to prevent the issue it is necessary to update it whenever the new updates are launched.

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