Do you find QuickBooks error code 6010 while trying to open a company file while using multi-user QuickBooks mode? If so, it may be due to the network issues. When a user’s access to the network gets denied, this error code 6010 arrives in QuickBooks. Well, don’t worry! We have covered the effective solutions in this post. But, before that, let’s have a quick discussion on the error itself, its causes, signs, and how it can hamper a user’s productivity.
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One of the common QuickBooks errors, the QuickBooks error code 6010 is from the 6000 series that occurs when the software cannot connect to the network or the denied access of the user to the network. Additionally, the hosting settings of the company file can also become a reason for facing this denied network access issue.
Users also encounter an error message displaying, “An error occurred. Your QuickBooks installation may have been modified. Reinstall QuickBooks and try again. If the problem persists, contact Intuit Technical Support and provide them with the following error codes: (-6010,-100).”
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Several reasons are responsible for facing QuickBooks company file error 6010. Below, we have briefly explained the most common ones that can trigger company file problems:
Firewall and Antivirus software settings can prevent QuickBooks from communicating with the servers or internet access for specific QuickBooks company files. Eventually, it brings a “Network diagnostic failed” message to the users, preventing them from accessing the company files in QuickBooks multi-user mode.
Single-user mode in operating systems can bring multiple issues, including network access problems. Thus, if your QuickBooks company file is hosted in single-user mode or on the server, multiple users won’t be able to access the file and may face QuickBooks company file error 6010.
QuickBooks must be run with all the required administrative rights and privileges. Certainly, these administrative rights are essential to perform any task in QuickBooks multi-user mode. In case users miss these rights or privileges, they may find network errors while opening the company file.
Network data files are responsible for a streamlined communication between QuickBooks and the server or company files. Additionally, these files also help users as a convenient resource sharing in multi-user QuickBooks hosting. However, if these .ND files are corrupted, users may encounter Quickbooks error code 6010 Windows 11, Windows 10, and on Mac as well.
An outdated QuickBooks Desktop version is the reason for facing numerous technical errors, including company file problems like error codes 6010 and 100. It’s because an outdated QuickBooks software triggers security issues and program glitches leading to QuickBooks company files and network access errors.
Make sure your network settings are properly configured in QuickBooks Desktop. Otherwise, QuickBooks may become unable or unresponsive while you try to open or access the company files in multi-user QuickBooks mode. It can significantly bring QuickBooks error code 6010 on Windows 11, Windows 10, and on your Mac system, too.
Incomplete or partial QuickBooks installation could lead to corruption in the program installation files. As a result, these corrupt files trigger QuickBooks hosting settings, which makes users unable to open the company file with network access in QuickBooks multi-user mode.
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With the help of the penned down signs, a user can notice the company file error code 6010 100 in QuickBooks. If these signs frequently occur, quickly call our professional team at +1-844-248-9739 for support.
Company file issues in QuickBooks, like QuickBooks data error 6010, hamper users’ workflow and overall productivity depending on the reason for the occurrence. Let’s have a quick discussion on the adverse outcomes of error 6010:
Before you begin troubleshooting the QuickBooks error code 6010, we suggest you keep a note of the following preventive rules:
So, we understand you don’t ever want to face the consequences as discussed above, right? That’s why we have come up with expert-proven methods to help you fix error -6000 when opening a company file. Let’s begin!
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The QuickBooks file doctor can assist users while fixing general company file errors and network issues. However, to do this, you must download and install QuickBooks Tool Hub. The below penned down steps below will help you easily install the Tool Hub and run the File Doctor tool:

After scanning the company file, retry opening the same in QuickBooks multi-user environment. If you again encounter QuickBooks error 6010 when opening a company file, try another troubleshooting.
As briefed above, an outdated QuickBooks Desktop can be responsible for leading company file issues. If your current QuickBooks Desktop is also missing the latest updates, follow the quick procedure below to update QuickBooks:

Now, retry accessing your QuickBooks company file in a multi-user environment. If the message “QuickBooks error 6010 when opening a company file still appears on your screen, fix the problem using the below method.
An admin Windows user has all the required rights and privileges to access the company file without any issues in a multi-user QuickBooks environment. So, if you’re not running QuickBooks as an Admin user, perform as per the below instructions and create a new Windows Admin user:
The QuickBooks Database Server Manager helps users share company files and allows them to access them in multi-user environments. So, while facing the QuickBooks error code 6010 0 when opening a company file, try running the QuickBooks Database Server Manager tool to fix the issue:

The QuickBooks error code 6010 0 can unexpectedly occur if your system’s Firewall is blocking the required communication between QuickBooks and the company files. You can reconfigure these Firewall settings with the help of the steps below:
So, here we conclude this comprehensive blog post. Hopefully, the above information and troubleshooting methods have helped you fix the QuickBooks error code 6010. We suggest you take care of the preventive measures given above before fixing this company file error. However, if you still need any professional help or want to know more, just ring the toll-free number 1-877-750-0672 or contact us via Live Chat Support!
Also See: QuickBooks Error PS077 and PS032
Question 1 – What brings the QuickBooks company file error 6010?
The following factors may bring the company file error 6010 in QuickBooks:
Question 2 – What message does the QuickBooks error code 6010 0 display?
Users, when encountering error code 6010 0, receive a message displaying, “An error occurred. Your QuickBooks installation may have been modified. Reinstall QuickBooks and try again. If the problem persists, contact Intuit Technical Support and provide them with the following error codes: (-6010,-100).”
Question 3 – How to rename the.ND file to fix the error code 6010 in QuickBooks?
Follow the quick steps below to rename the.ND file, and fix the company file error 6010:
Question 4 – What are the quick actions to take to fix company file errors in QuickBooks?
Question 5 – How do I connect with the live experts for professional support?
You must dial the toll-free number +1-844-248-9739 to speak directly with the live QuickBooks assistants or access the live chat support.
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