QuickBooks Error 6073, 99001 is one of those errors that tends to hit at the most inconvenient times right when someone else on your team is trying to access the same company file, or when QuickBooks simply can’t read the file due to a network or access issue. The error message is usually clear enough: “QuickBooks is unable to open this company file. It may have been opened by another user.” But figuring out exactly why it’s happening and which fix applies is where most users get stuck.
QuickBooks is unable to open this company file. It may have been opened by another user…
Error codes: (-6073, -99001)
The root cause can vary quite a bit: the file might be open in single-user mode on another workstation, it could be stored in a read-only network folder, or it might be getting accessed through remote access software like LogMeIn or GoToMyPC. This guide covers all four scenarios through 4 solutions with condition-specific steps. For immediate help, our team is available at +1-888-510-9198.
What are the possible causes of QuickBooks error 6073, 99001?
This error can occur due to any of the following:
- When a user opens this file on another computer in a single-user mode.
- The file is located as to read on another network folder.
- All files are hosted via the Linux server & then use any more rather than one’s set as to login the credentials and sign into as shared folder.
- The file is being accessed through remote access software technology (LogMeln, GoToMyPc, etc). We host the computer and still see that the client is already logged into it.
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Fixation of QuickBooks Error Code 6073, 99001
Comply below-mentioned point to troubleshoot the QuickBooks Error 6073, 99001 or contact to our QuickBooks enterprise customer support team to get instant help from our U.S based tech Advisors.
Solution 1: First download and run the QuickBooks File Doctor
- The very first step in this process is to download the most recent version of QuickBooks tool hub and then save the file where it can be accessed easily
- Open the file that is mention in the above step.
- Perform the onscreen steps and install and agree to the terms and conditions
- Now, double click the icon on the windows and open the tool hub
- Choose the company file issues tab from the tool hub
- Now click on run QuickBooks file doctor tab or launch it manually
- The next step is to select the company file option from the drop down or browse for it
- Furthermore, pick the check your file option and click on continue tab
- Lastly, enter admin password and hit next tab
Solution 2: Manually resolve the Error 6073, 99001
Condition 1: If the company file is open in Single User mode in another workstation
Try these points when a user see opens a company file into a single user mode at another workstation.
- Firstly close QuickBooks desktop in all PC’s.
- Open your “Company file” on to the “Host” computer.
- Navigate to the “File menu” and then choose “Switch to Multi-User mode“.
- Still, if getting the same issue then reboot your workstations.
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Condition 2: If a Company file opened into a single-user mode on to host the Device
- From the main “File menu“, choose an option of to “Close the Company“.
- Reopen your “Company file“.
- Navigate to the “File menu” and then choose “Open or Restore company“.
- Now choose to open a company File & then click to the Next button.
- Then select to open the “Company file” & then click to the “Next“.
- Choose your “Company file”.
- Choose to open the file into multi-user mode & then click to open it.
Condition 3: If your company file is located in a read-only network folder
- Firstly go to the computer hosting the file.
- Browse and then open the folder where your company file is present.
- Give one right-click into the folder and select “Properties“.
- After that navigate to the “Security tab“.
- Select the user that has issues when log into file.
- Hit a click to “Edit” it.
- Check that box for “Allow” to a full control.
- To save changes click on “Apply” and then click to the “OK” key.
Condition 4: If the PC is get accessed by remotely via LogMeln, GoToMyPC, etc.
- Give one right-click to the “Task bar” & then choose the “Task Manager“.
- Navigate to the “Processes tab“.
- Now check if the process is running under the user’s name from which you have issues with this.
- If there is a process under that user’s name, restart your PC.
Solution 3: Change the name of the corrupted or unavailable network data file
- Under this process, open the Windows explorer
- Later on, look for the folder that stores the QuickBooks company file
- Now right-click the company file with network data and the QB company file extension
- After that modify the file extension from .old and then click on the enter tab
- The next step is to open QuickBooks and the company file
- Conclude the process is to make another network data file from the company file
Solution 4: Unhide the network data files and transaction log
- Here, one has to open my computer and then head to the tools menu and also click on folder options
- Now, head to the view tab and click on show hidden files and folders
- Once done with that open the data folder to see the network data files and the transaction log files
- The next step is to right-click the network data file and select properties
- End the process by deleting the hidden option and click on the ok tab
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Conclusion
Since this error has four distinct causes, the most effective approach is identifying which condition applies to your setup and starting with that specific fix in Solution 2. Running the QuickBooks File Doctor (Solution 1) first is always a good call regardless of the cause, since it handles many common file and network issues automatically.
If you’ve worked through all the solutions and the company file still won’t open, our QuickBooks Support team at +1-888-510-9198 can take a closer look at your specific setup and get things sorted quickly.
Frequently Asked Questions (FAQs)
Yes, it can even if you’re the only active user, this error can still appear if QuickBooks wasn’t properly closed the last time someone used it, leaving a ghost session open in the background. It can also happen if the company file is stored in a read-only folder (Condition 3) or if a remote access session (Condition 4) was left open on the host computer. Restarting all workstations and the host computer is a good first step in these cases, before working through the more targeted solutions.
Not necessarily this error is primarily an access and permission error, not a data corruption error. It means QuickBooks can’t open the file due to a conflict or restriction, not that the file itself is damaged. However, if Solution 1 (QuickBooks File Doctor) detects damage during its scan, you may have a secondary data issue alongside the access problem. In most cases, fixing the access issue through Solution 2 is all that’s needed to get back in.
The distinction is about where the file is being held in single-user mode. Condition 1 applies when another workstation (not the host computer) has opened the file in single-user mode — the fix is to close QuickBooks on all PCs and reopen the file on the host computer in multi-user mode. Condition 2 applies when the host computer itself has the file open in single-user mode in that case, you close and reopen the company file directly on the host and switch it to multi-user mode from there.
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