Learn all the methods to fix QuickBooks Error Code 6073
QuickBooks Error Code 6073 is a commonly found error which occurs when a user strives to access the company file (.qbw) in multi-user mode.
In simple words, this means that when a user tries to open a file that another user has already opened, the new user will not be able to access the company file.
In this blog, we will discuss in detail the QuickBooks Error Code 6073 99001, and learn how to fix the error. It will help the user in safeguarding their company-related data.
What is QuickBooks Error 6073 99001?
QuickBooks Error 6073 occurs when users try to access the company file in multi-user mode. The user may see this error message on the screen:
QuickBooks is unable to open this company file. It may have been opened by another user.
Error codes: (-6073, -99001)
![Troubleshoot and fix issues when QuickBooks is unable to open, including file or installation errors QuickBooks is unable to open due to errors such as file corruption, installation issues, or system incompatibility](https://ebetterbooks.com/wp-content/uploads/2024/01/image-3.jpeg)
Reasons : Why Does QuickBooks Error Code 6073 Occur?
QuickBooks Error Code 6073 99001 can occur because of various reasons. Some of the common reasons are:
- The company file is open on another system in single-user mode.
- The company file is placed in a read-only folder.
- The user is accessing the document through a remote OS, hence the host system shows that the user is still logged in.
- Linux server is hosting the files, and multiple credentials are being used to log in to the single shared folder.
Ways to Fix QuickBooks Error 6073 99001: Solutions
Errors occupy a lot of time, and you may lose your data due to such errors. Hence, follow a few easy steps to fix QuickBooks Error 6073. There are various situations where you may encounter the error. Hence, you should follow these methods to resolve the error.
Method 1: Use QuickBooks File Doctor Tool to fix QuickBooks Error Code 6073
To resolve QuickBooks error 6073 99001 with the file doctor tool, follow these steps:
1: Firstly, visit the Intuit website and download the latest version of QuickBooks Tool Hub.
Step 2: After you download and install the tool, open the QB Tool hub icon saved on your desktop.
Step 3: Go to the company file issues tab, and click the QuickBooks file doctor tab.
![Resolve company file issues in QuickBooks using the QuickBooks Tool Hub for smoother file access and operation Using the QuickBooks Tool Hub to diagnose and resolve company file issues, such as corruption, access errors, or file connection problems](https://ebetterbooks.com/wp-content/uploads/2024/01/image-8.jpeg)
Step 4: Once it has completed its task, close the window, and restart the app to see if the error has resolved.
Method 2: Solve Manually QuickBooks Error 6073, 99001
The manual way to fix QuickBooks Error 6073 depends upon different conditions. Hence, we have provided solutions as per different situations:
Case 1: When the company file in single-user mode opens on another system
Step 1: Firstly, close the QuickBooks desktop on all the systems.
Step 2: Then open the company file on the host computer.
Step 3: From the file menu, select the option of a switch to multi-user mode.
![Learn how to switch to multi-user mode in QuickBooks for enhanced team collaboration and file access Switching to multi-user mode in QuickBooks to allow multiple users to access and work on the company file simultaneously](https://ebetterbooks.com/wp-content/uploads/2024/01/image-4.jpeg)
Step 4: If you encounter the same error, reboot all the systems.
Case 2: When the company file on the host computer opens in Single-User mode
Step 1: From the file menu, select “close the company.”
![Follow the steps to properly close the company file in QuickBooks and secure your data Closing the company file in QuickBooks to exit the current session and prevent unsaved changes](https://ebetterbooks.com/wp-content/uploads/2024/01/image-5.jpeg)
Step 2: Open the company file again.
Step 3: Go to the File menu again and select “Open or Restore Company“.
![Learn how to open or restore your QuickBooks company file to continue working with your financial data Opening or restoring a company file in QuickBooks to access or recover important business data from a backup or existing file](https://ebetterbooks.com/wp-content/uploads/2024/01/image-7.jpeg)
Step 4: Click Next after opening the company file.
![Follow the steps to open or restore an existing company file in QuickBooks to resume your accounting tasks Opening or restoring an existing company file in QuickBooks to access or recover previous financial data](https://ebetterbooks.com/wp-content/uploads/2024/01/image-6.jpeg)
Step 5: Select the company file.
Step 6: Go to the multi-user mode and then open it.
Case 3: When the company file is located in a folder with a “read-only” setting
Since the file is located on the read-only folder, the user has to remove the setting.
Step 1: Go to the host computer.
Step 2: Open the folder in which your company file is saved.
Step 3: Right-click on the folder to select “Properties.”
Step 4: Click on the “Security tab” to select the user and click “Edit.“
Step 5: Click on the tab “Allow” and then on Apply; after that at last select “Ok.”
Case 4: When the system is accessed remotely from LogMeIn, GoToMyPC, and other such options
Step 1: Go to the Taskbar and right-click select “Task Manager.”
Step 2: Choose processes and look for running operations under the user’s name.
Step 3: Restart the system in case processes are running under that user’s name.
Method 3: Working on Network Data File
Network Data files have .ND extension. These files allow QuickBooks to access the company files available on a network.
Step 1: Go to –> Start. Open the Windows Explorer.
Step 2: Look for the folder under the QuickBooks that has the company file.
Step 3: Right-click the Company file with network data and QuickBooks company file extension(.QBW). Modify the .old file extension.
![Learn how to rename the .OLD file in QuickBooks Desktop to fix file-related issues or access backups Renaming the .OLD file in QuickBooks Desktop to resolve issues with opening the company file or restore a previous version](https://ebetterbooks.com/wp-content/uploads/2024/01/image-9.jpeg)
Step 4: Open QuickBooks
Step 5: Open the company file.
Step 6: Lastly, make another.ND file for the company file.
Step 1: Go to “My Computer” select the Tools menu and click on the option “Folder.”
Step 2: Select the “View” tab and click on the “Show hidden files & folders” tab.
![Follow the steps to show hidden files and folders in Windows to access essential files for troubleshooting Enabling the option to show hidden files and folders in Windows to access system files or QuickBooks related files](https://ebetterbooks.com/wp-content/uploads/2024/01/image-10.jpeg)
Step 3: Then open the data folder to check the transaction log files and network data files.
Step 4: Go on the network data file and right-click to select “properties” options.
![Access and manage network data file properties in QuickBooks for optimizing network connections and file sharing Viewing the network data file properties in QuickBooks to manage network settings, file paths, and ensure smooth multi-user access](https://ebetterbooks.com/wp-content/uploads/2024/01/image-2.jpeg)
Step 5: Delete the “Hidden” option and select “Ok.”
Method 5: Maintain Favourable Firewall and Antivirus Settings
Step 1: QuickBooks Port Configuration Guide
Each QuickBooks version uses specific ports for communication:
- QuickBooks Desktop 2019 and later: 8019, XXXXX
- QuickBooks Desktop 2018:8019, 56728, 55378-55382
- QuickBooks Desktop 2017: 8019, 56727, 55373-55377
- QuickBooks Desktop 2016:8019, 56726, 55368-55372
Step 2: Access Windows Firewall Settings
- Click the Start button and search for “Firewall.”
- Select “Windows Defender Firewall.”
Step 3: Create Firewall Rules
- Click Advanced settings
- Select Inbound Rules > New Rule.
- Choose Port, click Next, then select TCP.
- Enter the required QuickBooks ports and click Next.
- Select Allow the connection, then choose profiles (Domain, Private, Public).
- Name the rule (e.g., “QuickBooks ports”) and click Finish.
- Repeat to create an Outbound Rule.
Step 4: Test QuickBooks
Open QuickBooks and try to access your company file in multi-user mode to check for issues.
Step 5: Configure Router/Third-Party Firewall
If applicable, follow your device’s documentation to allow QuickBooks port traffic.
Step 6: Verify Multi-User Setup
In QuickBooks, go to File> Utilities and ensure Host Multi-User Access is enabled.
Step 7: Regularly Update Rules
Periodically review your firewall rules, especially after network changes or QuickBooks upgrades.
Method 6: Repair the QuickBooks Desktop Through CP
Step 1: Open the Control Panel.
Step 2: Click on “Programs and Features.”
Step 3: Select “Uninstall/Repair a Program.”
Step 4: Scroll through the list of installed applications.
Step 5: Choose “QuickBooks Desktop.”
Step 6: Right-click on it and select “Repair.”
Step 7: Allow the repair process to begin.
Step 8: Wait until the program is fully repaired.
Step 9: Restart your device.
Step 10: Open QuickBooks again.
Step 11: Unlock your company file.
Conclusion
QuickBooks Error 6073 can interrupt access to your company file but can often be resolved by adjusting file permissions, ensuring proper file hosting, and troubleshooting multi-user mode. To fix the error, run the QuickBooks File Doctor, verify the file’s location, and make sure only one user accesses the file at a time.
Disclaimer: The information outlined above for “Fix QuickBooks Error 6073, 99001 -Unable to Open the Company File” is applicable to all supported versions, including QuickBooks Desktop Pro, Premier, Accountant, and Enterprise. It is designed to work with operating systems such as Windows 7, 10, and 11, as well as macOS.