How to fix QuickBooks Error 6073 and 99001? Here’s what to do

QuickBooks Error 6073 and 99001 doesn’t let you explore your company file, edit, read, or work on it. A QB company file is the most critical aspect of utilizing the application efficiently and effectively. Since it stores the most vital accounting and financial details, you can’t afford to lose or encounter roadblocks in accessing the file. Therefore, attempt the resolutions we mentioned in this guide to escape this messy situation.

QuickBooks is a brilliant and highly productive business accounting application broadly recognized and used by Small and medium-sized businesses. Apart from its advanced features, one downside is errors. For example, you may get the error code with your QuickBooks while doing the day-to-day job with QuickBooks, and we have addressed one most infamous error, “QuickBooks error 6073 and 99001,” while opening the company file.

“Encountered QuickBooks Desktop error 6073 and need immediate resolution? Feel free to dial QuickBooks Customer support number 1-(855)-856-0042 and get in touch with the experienced professionals”

What does mean by QuickBooks Error code 6073?

QuickBooks error 6073 and 99001 can take place when a user tries to access the company file. When this 6000 error code series occurs, you will receive an error message on your screen: “QuickBooks is not able to open the company file. It may have been opened by another user.” The company file you are trying to access may be already in use by the other user.

The complete warning description accompanying QuickBooks error 6073 99001 states:

“QuickBooks is unable to open this company file. It may have been opened by another user. You should ask that user to switch to multi-user mode so you can both use the company file at the same time. The file could also be located in a read-only network folder. If it is, ask your system administrator to make the file accessible.

The Support Site contains information about this type of error and how to resolve the issue. Go to the support site to view an article about the error. If the article doesn’t help you resolve the problem, contact Support for assistance.

Error Codes: (-6073, -99001).”

There are several reasons behind the arrival of the QuickBooks error 6073 that we will discuss and troubleshoot in this post. Let’s start!

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What Are The Possible Reasons Behind QuickBooks error 6073 and 99001?

QuickBooks error 6073 can take place due to several reasons. Some of the most apparent reasons behind the error are listed in the below-given bullet points:

• The file you are trying to open is a read-only file.
• When you try to access the file remotely, and the host system sees that the user is still logged in
• When you use the Linux server to host the company file, and multiple login credentials are being used for loggings in to the shared folder
• If the file is open on another system and multi-user mode is turned-off

In-depth explanation of the causes behind QuickBooks error code 6073 and 99001 are as follows:

• Another User is Already Logged In: If another user is already logged into the same company file in multi-user mode, QuickBooks may prevent additional users from utilizing it simultaneously. This action can trigger the error 6073 and 99001.
• Company File is Hosted on a Different Computer: If the company file is located on a distinct computer or server, network issues or file path problems can prevent access. You’ll need to assure yourself that the computer hosting the company file is unrestricted and properly configured.
• Incorrect File Access Permissions: Sketchy or inaccurate file permissions can block you from availing of your company file. Users must have the appropriate permissions to read, write, and modify the file and its associated folders.
• Firewall or Security Software Blocking QuickBooks: Encountering restrictions while accessing your company file over the network is common because of firewall and security software inhibitions. You won’t be able to allow QuickBooks communication until you arrange favorable settings for your firewall and QuickBooks application.
• Corrupted Network Data (.ND) and Transaction Log (.TLG) Files: The .ND and .TLG files are critical for QuickBooks to uncover and open the company file. If these files are damaged or corrupted, it can lead to 6073 and 99001 errors when opening the file.
• Multi-User Mode Misconfiguration: Incorrect settings in QuickBooks Multi-User Mode or the QuickBooks Database Server Manager can cause errors when multiple users try to launch the same company file on their devices simultaneously.
• QuickBooks Version Mismatch: If users are not using the same version or release of QuickBooks, compatibility issues can ensue when accessing the company file in multi-user mode.
• Issues with Network Connectivity: Problems with the network connection, such as slow or untrustworthy connections, can result in errors when reaching QuickBooks company files stored on a network drive.
• Third-Party Software Conflicts: Sometimes, third-party software or services running on the same computer as QuickBooks can deter its operations, causing errors.
• File opened in Single-user Mode: If some other user is utilizing the file in single-user mode, the QB app won’t permit multiple users to unlock the file and operate it.
• Read-only Network Folder: If the file is stowed in a folder with read-only permissions, unlocking and accessing it in multi-user mode without encountering 6073 and 99001 roadblocks will be challenging.
• Shared Folder Sign-in Issues: QB users accessing the file hosted on a Linux server may encounter the 6073 and 99001 error. Further, logging onto the shared folder with multiple sign-in credentials can contribute to this issue.
• Accessing File Through Remote Software: Using remote software like LogMeIn, GoToMyPC, etc., can bring QuickBooks error 6073. Further, if the host computer witnesses that the user is still logged in, it’ll throw this error and block your path to opening the company file.

Therefore, addressing these frustrating causes and employing relevant troubleshooting solutions to fix this issue becomes critical.

What Are The Symptoms Of QuickBooks Error 6073 and 99001?

QuickBooks error 6073 can be identified by the below-given symptoms:

• In the first place, QuickBooks Error Code 6073 appears abruptly on the screen.
• The error prevents users from accessing the company file.
• An active window crashes along with the arrival of QuickBooks error 6073 and 99001.
• PC freezing periodically for a few seconds.

We have explained the symptoms with an ocean-depth of information to help you affirm its presence:

• Error Message: A common sign of every error encountered in QuickBooks is a description and code explaining the problem. With error 6073 and 99001, you’ll see a message stating difficulties opening the file. These codes and reports help you understand the issue context through which you can scour online resources and convey the issues to the respective support personnel.
• Inability to Open Company File: Opening the company file becomes a humongous task because the error message keeps popping up on your screen. Therefore, you’ll have to stay away from your company file until you rectify this problem.
• Company File in Use: QuickBooks may show a message indicating that the company file is already in use by another user or that another user is logged into the file in multi-user mode, even if no other user is accessing it.
• Multi-User Mode Issues: If you’re functioning in a multi-user environment, you might detect problems with multiple users accessing the company file simultaneously. It can include users getting kicked out of the file or experiencing slow performance.
• QuickBooks Freezes or Crashes: Some cases may have QuickBooks users experiencing freezes or crashes when trying to launch their company file, and this error could be one of the underlying causes.
• Event Logs: The QuickBooks error code 6073 related entries in the Windows Event Viewer logs can supply additional details about the error and its probable causes.
• Unable to Switch to Multi-User Mode: If you’re trying to switch to multi-user mode to authorize numerous users to access the file, you may undergo difficulties or errors when endeavoring to do so.
• Issues with Hosting: If you’re not using the appropriate settings for hosting the company file in a multi-user setup, you may experience these errors.

Undergoing any of these symptoms can hit your productivity hard. Let’s assess what this glitch can do to your system and then immediately jump to troubleshooting these errors.

Consequences of QuickBooks Error 6073 99001

When the QuickBooks is unable to open this company file it may have been opened by another user error fills your screen, its terrible outcome is as follows:

• Challenges Launching the Company File: The most immediate and obvious outcome is that users cannot access, edit, and work on their QuickBooks company file. Consequently, regular business operations encounter disruptions, discouraging users from executing essential tasks in QuickBooks.
• Loss of Productivity: The error 6073 and 99001 can result in a loss of productivity, especially in a multi-user background. Users may be unable to function on their tasks simultaneously, leading to holds and frustration.
• Data Inconsistencies: If the error occurs while multiple users operate on the same company file, it can usher data inconsistencies and potential data corruption. Inaccuracies in financial records may arise due to this issue.
• Error Messages and Frustration: Users will partake in error messages, which can be irritating and confusing. These messages can impede the workflow and require additional troubleshooting time and effort.
• Downtime and Delays: Resolving QuickBooks Error 6073 99001 can take time, especially if it implicates troubleshooting network issues, altering permissions, or seeking technical support. If you stay stuck in this downtime for a prolonged time, it can influence business operations.
• Increased Support Costs: If you find it necessary to enlist the services of a professional or reach out to QuickBooks support to resolve the error, it may lead to supplementary expenses for your business in terms of support fees.
• Data Loss Risk: Sometimes, attempting to fix the QuickBooks error 99001 without proper guidance can simulate data loss or further complications. Pursuing the recommended troubleshooting steps or contemplating professional assistance will be your only solution.
• Potential for Data Corruption: If the error is not addressed promptly or recurs frequently, it can increase the risk of data corruption in the QuickBooks company file.
• Impact on Reporting and Tax Filings: Faulty or delayed financial data due to the 6073 error can affect financial reporting and tax filings, potentially directing to compliance issues.
• Reputation and Customer Trust: If your business counts on QuickBooks for accounting and financial management, recurring errors can impact your reputation and corrode customer trust if financial records are not accurate and up-to-date.

Fishing out of the troubled waters of QuickBooks error 6073 and 99001 requires troubleshooting this error swiftly. Our rectification guide makes this situation mess-free and seamless with step-wise instructions.

Requirements Before Resolving QuickBooks Error 6073 99001

Fulfilling the following factors before implementing resolution methods for QuickBooks is unable to open this company file, it may have been opened is critical:

• Access to the Company File: Although the company file becomes inaccessible due to the 6073 99001 error, you should be able to see the file and its folder. Further, administrative rights or appropriate permissions may be critical to modifying specific settings.
• Backup of Company File: Backing up your QuickBooks company file is a prerequisite for troubleshooting any error. Your data safety is of utmost vitality, and you need to ensure the most up-to-date backups are secured to prevent losses.
• QuickBooks Administrator Credentials: You should have access to QuickBooks with administrator-level credentials. Administrative access allows you to drive configuration modifications and adjustments as needed.
• Knowledge of Network Setup: You should comprehend your network setup and configuration, including knowing your network environments, such as the location of the company file, network paths, and any network restrictions or firewalls in place.
• Multi-User Mode Awareness: Understand how QuickBooks’ multi-user mode functions while operating in a multi-user environment. Ensure that all users are aware of how to switch to multi-user mode and use it effectively and correctly.
• Network Connectivity: Stop contributing to QuickBooks error 6073 99001 by ensuring a solid and fast internet connection.
• Firewall and Security Software: Learning about the firewall or security software installed on your computer or network will help you rearrange the settings to a favorable mood. You can configure these tools to set seamless QuickBooks communication.
• Knowledge of Error Code: Comprehend the specific QuickBooks error code you’re dealing with (in this case, Error 6073) and any associated error messages to help pinpoint the issue more accurately.
• System and QuickBooks Updates: Your operating system and QuickBooks software should be up-to-date with the most recent updates and patches. Sometimes, updating your components can resolve compatibility issues.
• Technical Support Contact: You should keep QuickBooks technical support or a certified QuickBooks ProAdvisor’s number handy if you need professional aid.
• Patience and Methodical Approach: Troubleshooting QuickBooks errors can sometimes be tricky. Therefore, approach the process with patience and a methodical mindset, systematically checking and adjusting settings.

Now, your resolution process for QuickBooks error 6073 99001 will become streamlined and hassle-free.

How To Troubleshoot QuickBooks error 6073 99001?

To get rid of the QuickBooks error 6073, you need to resolve the possible error causes. Follow the below-given solutions with full care and attention.

Solution 1: Utilize QuickBooks Tool Hub For The Error Resolution

QuickBooks Tool Hub is a tool in the QB Desktop application that can resolve multi-pronged technical errors in QuickBooks. To use the Tool Hub:

• Close QuickBooks and download the QuickBooks Tool Hub
• Save the downloaded file to a suitable location.
• Now run the QuickBooksToolHub.exe file.
• Follow the on-screen instructions and agree to the terms and conditions.
• Now from within the Tool Hub, select Company File Issues.
• It will run QuickBooks File Doctor to repair the damaged company file and network issues.

Try to access your company file and if QuickBooks error 6073 continues to trouble, follow the next solution.

Solution 2: Perform Manual Resolution Of The Error

Below are the steps to manually fix QuickBooks company file error 6073 in the following situations:

1st Situation: When the multi-user mode is turned off, and the company file is open on the host computer

• Close QuickBooks company file and open it again.
• Now from within the File menu, select Open or Restore.
• Next, open a company file and click Next.
• Select the company file you want to open and then further select Open in Multi-User Mode.
•  Try to open the company file and check if the QB error 6073 is fixed.

2nd Situation: When you try to open the file on another PC in single-user mode

• Quit QuickBooks on all computers and open the company file using the host computer.
• Now go to the File menu and switch to multi-user mode.
• Restart all workstations, on receiving error code 6073 in QuickBooks again.

3rd Situation: File Hosted on the read on network directory

• Access the computer where your company file is hosted.
• Next, open the directory where the company file is situated.
• Select the directory and press the ALT and Enter Button to open the properties option.
• In The Properties, Select the Security tab option.
• Now, Select the user who has the issue, log in to the company file, and click on Edit. Check all the options and then click ok.

4th Situation: If you’re accessing your device remotely via GoToMyPC, LogMeIn, etc.

• Unlock your QuickBooks Tool Hub.
• Move to Program Problems.
• Click Quick Fix My Program.
• Hit Start Scan.
• Extend QuickBooks Desktop.
• Spread the data file.

Solution 3: Rename Network Data (.ND) File

The network data file is a corresponding company file that helps QuickBooks to access the file located on the network. To repair a damaged .ND file in QuickBooks:

• Open the folder containing the QuickBooks Company file and locate the file with the extension .nd.
• Now right-click .nd file and select Rename.
• Next, add .OLD at the end of the file name and press Enter to apply the changes.
• Try to open the QuickBooks company file to confirm the status of QuickBooks error 6073.

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Solution 4: Employ Verify and Rebuild Data Utilities

If you wish to affirm that your data file is not compromised and can run seamlessly without causing the message, “QuickBooks is unable to open this company file. It may have been opened by another user,” try the error settlement as follows:

Step 1: Create a Backup

Safeguard your critical files with a quick backup of any recent changes made in the file as follows:

• Open QuickBooks.
• Hover over the “File” menu.
• Select “Backup Company.”
• Then, pick “Create Local Backup.”
• Follow the cues to preserve the backup file in a secure location.

Step 2: Run the Verify Utility

• Unclog QuickBooks.
• Pick the “File” menu.
• Tap “Utilities.”
• Hit “Verify Data.”
• The app will commence scanning your data files for integrity pain points. A bigger company file size may prolong the verification process.
• If QuickBooks locates any issues during the verification process, it will display a message with instructions for successive steps.
• Pursue the on-screen teachings to discourse any troubles found. It might involve rebuilding your data.

Step 3: Run the Rebuild Utility

• After running the Verify utility and managing any issues found, it’s time to run the Rebuild utility.
• Extend the “File” menu.
• Tap “Utilities.”
• Click “Rebuild Data.”
• Recreate QB backup if the app nudges you.
• Confirm that you have a recent backup and click “OK.”
• Store the backup file securely.
• The rebuilding of your data file will commence.
• This process can take significant time, especially for large company files.
• Once the rebuild is concluded, QuickBooks will reveal a message indicating the success of the process or any issues encountered.

Step 4: Review the Rebuild Log

After the Rebuild utility terminates, it’s vital to review the Rebuild Log to inspect for any issues that may require further attention:

• Hit “View Results” on the completion message.
• Examine the Rebuild Log for any errors or problems.
• Note down any error messages or issues mentioned.

Step 5: Address Any Remaining Issues

If the Rebuild Log indicates issues waiting for your addressal, you may need to confer with QuickBooks support or a certified QuickBooks ProAdvisor for assistance. These specialists will offer reliable suggestions on resolving any data integrity issues that couldn’t be fixed through the Verify and Rebuild utilities.

Step 6: Continue Regular Data Maintenance

Consistently backing up your company file will protect it from data integrity problems. Employ the Verify utility and address any issues promptly because preventive maintenance can help avoid data problems in the future.

Solution 5: Maintain Favorable Firewall and Antivirus Settings

If you feel like your firewall and antivirus settings are not favoring you and restricting your communication in the multi-user environment, reverse them as follows:

1st Action: Recognize the QuickBooks Ports

Each QB version employs specific ports for communication, so you should learn about the port numbers for your QB product. QuickBooks commonly used port numbers appear as follows:

• QuickBooks Desktop 2019 and later: 8019, XXXXX.
• QuickBooks Desktop 2018: Ports 8019, 56728, 55378-55382
• QuickBooks Desktop 2017: Ports 8019, 56727, 55373-55377
• QuickBooks Desktop 2016: Ports 8019, 56726, 55368-55372

2nd Action: Open the Windows Firewall Settings

Access your device’s Windows Firewall settings by:

• Clicking the Start button.
• Typing “Firewall” in the search line.
• Opting for “Windows Defender Firewall” from the inquiry results.

3rd Action: Create Inbound and Outbound Rules

• Scan the Windows Defender Firewall window.
• Pound “Advanced settings” from the left side selectors.
• It will extend the Windows Firewall with an Advanced Security window.
• Witness the left pane.
• Hit “Inbound Rules.”
• Catch the right pane.
• Tap “New Rule.”
• Form a new inbound rule.
• Review the “Rule Type” wizard section.
• Select “Port.”
• Tap “Next.”
• Assess the “Protocol and Ports” section.
• Pick “TCP.”
• Specify the specific ports QuickBooks requires (e.g., 8019, 56728, etc.).
• Click “Next.”
• Get to the “Action” section.
• Tap “Allow the connection.”
• Pick “Next.”
• See the “Profile” section.
• Choose whether the rule should apply to domain, private, or public networks.
• Typically, you should opt for all three for greater flexibility.
• Click “Next.”
• Arrive at the “Name” section.
• Assign your rule a name (e.g., “QuickBooks Ports”).
• Add a definition if desired.
• Click “Finish.”
• Replicate the above steps to form an outbound rule by picking “Outbound Rules” in the left pane and obeying the same process.

4th Action: Test QuickBooks

• Unlock QuickBooks and try to unfurl your company file in a multi-user mode if applicable.
• Check if you can open and use the file without any connectivity or multi-user mode issues.

5th Action: Configure Router or Third-Party Firewall

• If you have a router or third-party firewall, you may also need to configure it to allow traffic on the QuickBooks ports.
• The authorized documentation about these cases holds instructions on port forwarding or creating similar rules.

6th Action: Verify Multi-User Setup

• QuickBooks in a multi-user mode should have accurate hosting settings.
• Extend QuickBooks.
• Pick “File.”
• Tap “Utilities.”
• Ensure that the option to “Host Multi-User Access” is angled on for the server.

7th Action: Regularly Monitor and Update Rules

• Periodically study and update your firewall rules.
• Do so, especially when you alter your network setup or upgrade QuickBooks to resolve QuickBooks error 6073 99001.

Hopefully, QuickBooks error 6073 99001 won’t distress you after this hassle-free solution.

Solution 6: Repair the QuickBooks Desktop Through CP

The Control Panel in your system will assist in repairing your QuickBooks program as follows:

• Head to Control Panel.
• Pick Programs and Features.
• Select Uninstall/ Repair the Program.
• Scroll the installed apps table.
• Pick QB Desktop.
• Right-hit and select Repair.
• Let the repair commence.
• Finish fixing the program.
• Reboot your gadget.
• Re-access QB.
• Unlock the company file.

Hopefully, the error 6073 and 99001 resolves and doesn’t emerge again.

Need Expert Advice QuickBooks error 6073 and 99001?

The solutions described in this article can help you in troubleshooting QuickBooks Error 6073 and 99001 while opening the QuickBooks company file. If performing the troubleshooting procedure on your own is distressing for you, you can seek expert help. QuickBooks Technical Support 1-(855)-856-0042, and our ProAdvisor Solutions professionals will provide you with step-by-step assistance in resolving QuickBooks error 6073.

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Erica watson

Erica Watson is writing about accounting and bookkeeping for over 7+ years, making even the difficult technical topics easy to understand. She is skilled at creating content about popular accounting and tax softwares such as QuickBooks, Sage, Xero, Quicken, etc. Erica’s knowledge of such softwares allows her to create articles and guides that are both informative and easy to follow. Her writing builds trust with readers, thanks to her ability to explain things clearly while showing a real understanding of the industry.