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QuickBooks marks a major milestone in the finance industry. The sophisticated accounting features, such as the multi-user mode environment, payroll generation, and expense tracking, have turned the table around. However, despite being a game changer, it is open to various technical glitches, such as QuickBooks Error 6073-99001. This particular error pops up when the user tries to open the company file that another user has already opened. Usually, the users receive an error code with a warning message stating, “QuickBooks Error Code 6073 and 99001: The application is unable to open this company file. Another user may have opened the company file in single user mode.” Read the complete blog to learn more about this multi-user environment error and its troubleshooting causes.

Root Causes of QuickBooks Error 6073-99001

The most probable reasons for getting QuickBooks error 6073-99001 are as follows:

• The file is opened on another system in a single-user mode.
  

• Company files are hosted on the Linux server, and you are trying to enter the folder by using more than one set of login credentials.
  

• You are trying to access the company file via remote applications, but the host system still detects that you are still logged in.
  

• The network folder is available as a read-only folder.
  

Steps to Fix QuickBooks Error -6073, -99001 Easily

There are a handful of DIY solutions to Fix QuickBooks Error -6073 and -99001 easily on your system. Below, we have explained some solutions to multi-user mode errors one by one.

Solution 1: Run the QuickBooks File Doctor from the QuickBooks Tool Hub

• Firstly, you need to download and install QuickBooks file doctor in your system.
  

• Open the tool by double-clicking on its desktop icon once it is installed in your system.
  

• Now, choose the company file issues tab available in the left panel.
  

• Ahead, click on the Run QuickBooks File Doctor tab and pick the company file from the drop-down menu.
  

• Choose the “Check your Company File” option and press the Continue button.
  

• Lastly, provide the admin credentials and press the enter key.
  

• It will automatically detect and fix the issues within the company file.
  

Related Post: Quick Troubleshooting Ways to Rectify QuickBooks Error H101

Solution 2: Rename the Network File

• Open the QuickBooks Company File folder and look for the network file.
  

• The network file will have the same name as the company file but a different extension (.nd).
  

• Now, add .old at the end of the file name to rename it and press the enter key.
  

• Lastly, open QuickBooks so that the application will automatically make a new network file.
  

Solution 3: Switch to Multi-User Mode

• Open QuickBooks on your host system and click on the file menu tab.
  

• Choose switch to multi-user mode from the drop-down list, in case you are still using the single-user mode.
  

• Lastly, reboot the system to make the changes visible.
  

Final Thoughts

Hopefully, this blog helps you easily eradicate QuickBooks error 6073-99001 from your system. The multi-user mode helps different users access the data file simultaneously. You can get in touch with our experts via email or phone number if you still need any further assistance.

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