QuickBooks Error 6073 99001 is an immediate problem that straightforwardly stop access at the time opening a company file. However, the main concern here is to find out the real reason behind the block. Users often faced difficulties while searching “why does such error occurs?”.
According to Intuit, the documented triggering points behind QuickBooks Error 6073 99001 when opening company file are company file is open in Single-User mode in one computer, while stored as read-only network folder in another computer, Linux-hosted setup utilization with conflicting credentials, or when a remote-access session has not released the file correctly.
As a result, the effective and safest way to troubleshoot QuickBooks Error 6073 99001 is not to use trial and error method. Do not randomly use every possible repair strategy. Rather than go for the real reason behind by considering on where the company file is stored, who is accessing it, how QuickBooks is being hosted and who give permissions that allow the required access, whether Windows or Network.
Quick Answer
When you encountered QuickBooks Error 6073 99001 unable to open company file, first need to consider whether another computer is already opening the file in Single-User mode or not.
If it is a yes, then:
- Shut down workstations’ QuickBooks Desktop.
- On the host computer open the company file.
- Shift to Multi-User Mode.
- Now re-open the file from the workstation.
If after this process also things are not working, then verify whether the company-file folder is on read-only mode. Whether it lacks the necessary Windows permissions. As per current Intuit’s guidelines, Single-User access on another computer and the read-only network folders are the prime reason of the error generation.
When in remote-access environment you are facing such issue, then check whether an old session is still active or not. According to Intuit recommendation, QuickBooks Tool Hub’s Quick Fix My Program is the best solution access for the remote working scenario.
The highlighted point her is to identify the environment before making any changes to the company file.
Find Your Situation
Before changing anything, answer these questions:
Question | If Answer is “Yes” | First Area To Check |
Is the company file shared by several computers? | Multi-user environment | Hosting and user mode |
Is another user currently working in the file? | Shared access | Single/ Multi User status |
Is the file stored on a server or another computer? | Network access | Folder permissions and Database Server Manager |
Is the folder read-only? | Restricted access | Windows folder permissions |
Are you using remote-access software? | Remote session | Stale session/process |
Is the file hosted on Linux? | Shared credentials may matter | Login configuration |
Does the problem affect only one workstation? | Local workstation issue is possible | Local QuickBooks/network configuration |
Does nobody have access to the file? | Broader hosting/network problem | Host, permissions, and server configuration |
This classification matters because QB Error 6073 99001 is not necessarily a damaged-company-file problem. Intuit’s documentation points first toward access and hosting conditions.
What Is Causing the Problem?
- Another computer has the company file open in Single-User mode
This is the first thing you need to investigate.
Multi-User Mode in QuickBooks Desktop is specifically crafted to enable authorized users to access a company file on different workstations through a host or server environment. When the file is not used in this mode then it will prevent other users from accessing it and QuickBooks will display QB error 6073 99001.
- The company-file folder is read-only or lacks permissions
A networked QuickBooks company file needs appropriate Windows permissions. Intuit’s current hosting documentation states that the logged-in user needs appropriate access, including Full Control permissions, and that the database server must be able to open the company file.
- Hosting is configured incorrectly
QuickBooks Desktop hosting is computer-specific. In a normal network arrangement, the computer storing the company file provides the hosting service while workstations connect to it. Intuit recommends that workstations that do not host company files have hosting turned off.
- A remote-access session has not released the file
Intuit specifically lists remote software such as LogMeIn and GoToMyPC as a possible environment for this error when the host computer still considers the user logged in.
- Linux-hosted files use conflicting credentials
For certain Linux-hosted configurations, Intuit identifies the use of more than one set of credentials to sign in to the shared folder as another possible trigger.
Diagnostic Check
Before applying a repair, perform this short investigation.
Check 1: Identify the company-file location
Find the `.QBW` file and determine whether it is:
- On the local computer
- On a Windows server
- On another computer
- On a network share
- In a hosted environment
The host and workstation relationship becomes valuable when the file is being opened over a network.
Check 2: Check whether another user has the file open
If file is open by any other user, then ask the other QuickBooks users to close the company file for a short period.
Do not assume that closing the QuickBooks window on your own computer releases a file being used elsewhere.
Check 3: Check the hosting computer
As per Intuit, database service is used by QuickBooks Desktop to manage company-file access in a multi-user environment. Only the exact service name varies in different QuickBooks versions.
Check 4: Check folder access
Right-click the folder containing the company file and review its Windows security and sharing permissions.
The goal is not simply to make the folder visible. QuickBooks needs the appropriate ability to read and modify the company file.
Check 5: Verify if only one workstation is affected
Suppose if three out of four computers can open the file but one cannot, then the problem may be localized to that workstation.
Before changing individual workstations, do investigation on the host, network, permissions, or database service if every workstation fails.
Choose the Correct Fix
Method 1: The file is open in Single-User mode elsewhere
This should be your first repair when another workstation is involved.
- Close QuickBooks Desktop on the computers accessing the file.
- Go to the computer hosting the company file.
- Open the company file.
- Select ‘File’.
- Choose ‘Switch to Multi-User Mode’.
- Have the workstation user attempt to open the company file again.
When you find the host computer itself opened the file in Single-User mode, then close the company file and open it again by using the Multi-User option.
This is a constant workflow with Intuit’s current instructions for QB Error -6073, -99001.
Method 2: The folder is read-only or permissions are not sufficient
Enter in the host computer and locate the folder having the `.QBW` file.
Then:
- Click-right to the folder.
- Select ‘Properties’.
- Open the ‘Security’ tab.
- Review the relevant Windows user or QuickBooks database-service account.
- Confirm the required permissions are allowed.
- Apply the change.
- Test the company file again.
Intuit’s current folder-permission guidance explains that the QuickBooks database service needs appropriate permissions to access and modify files in the shared folder.
Note: Never modify permissions broadly without understanding your organization’s security requirements. Give access to the appropriate users/accounts instead of opening a financial-data folder to everyone without any reason.
Method 3: The workstation is incorrectly hosting the file
Workstation that does not store the company file:
- Open QuickBooks Desktop without opening the company file.
- Select ‘File → Utilities’.
- Review the hosting option.
- When the message ‘Stop Hosting Multi-User Access’ comes, click on it to select.
Intuit’s network troubleshooting guidance recommends keeping hosting off on workstations and using the appropriate host/server for the company file.
Method 4: Use QuickBooks Tool Hub when the problem points to the application or network
The current QuickBooks Tool Hub includes tools for company-file, program, and network problems. Intuit recommends using QuickBooks File Doctor for applicable company-file and network issues.
A practical sequence is:
- Close QuickBooks Desktop.
- Open the latest QuickBooks Tool Hub.
- Go to ‘Company File Issues’.
- Run ‘QuickBooks File Doctor’ when the symptoms indicate a company-file or network problem.
- Select the appropriate company file.
- Follow the tool’s prompts.
- Reopen QuickBooks and test access.
File Doctor should be considered a diagnostic/repair tool, not a reason to skip the underlying hosting and permission checks.
Method 5: Remote-access environment
When within the remote-access software, error is occurring, then close the remote session properly and make sure the affected user is no longer active on the host.
As per Intuit, in the specific remote-access situation, the company recommends using Quick Fix my Program from the QuickBooks Tool Hub.
Version/Service Differences
The exact troubleshooting path depends on the environment.
- QuickBooks Desktop on a Windows network
This is the environment most directly associated with the documented error. Hosting, database services, folder permissions, and Multi-User Mode are important.
Intuit elaborates that QuickBooks Desktop uses a database server to manage company files access in multi-user environments.
- QuickBooks Desktop with remote access
Remote access introduces another layer because the host may retain a session or process after a user disconnects. Intuit specifically includes remote-access software among the scenarios associated with Error -6073, -99001.
- Linux-hosted environment
If the company file is hosted on Linux, investigate the credentials used to access the shared folder. Intuit identifies multiple sets of login credentials as a potential cause for this particular error.
- QuickBooks Desktop for Mac
Do not automatically apply Windows hosting instructions to a Mac environment. Mac’s QuickBooks Desktop has its own multi-user configuration needs including host computer, shared folders, and permissions.
Practical Illustrative Examples
Example 1: One employee cannot open the file
A company has four QuickBooks users. Three can open the company file, but one receives Error 6073 99001.
Because the other users can access the file, immediately repairing the company file may be unnecessary. The more logical diagnostic path is to compare the affected workstation’s network access, hosting status, permissions, and QuickBooks configuration with a working workstation.
Example 2: Everyone loses access
If every workstation suddenly receives the same error, the investigation should move toward the host computer.
Check whether:
- The host computer is available.
- The company-file folder is shared.
- The database service is running.
- Folder permissions remain correct.
- Network connectivity is working.
- Hosting is configured correctly.
The multi-user documentation as per recent Intuit, identifies Windows permissions, database-server access, and QuickBooks user authentication as the basic features to meet company-file access requirements.
Mistakes to Avoid
When fixing QuickBooks Error 6073 99001, don’t make the situation harder by changing multiple settings simultaneously.
- Avoid renaming files immediately
Network configuration files such as `.ND` can be relevant to QuickBooks network access, but renaming files without first understanding the problem makes diagnosis less clear.
- Don’t change every computer’s hosting settings randomly
Hosting is part of the network architecture. Intuit recommends a controlled host/workstation arrangement rather than having every workstation act as a host.
- Don’t disable security software without a plan
Issue with networking firewall and security settings of QuickBooks. When it comes to network access problems, Intuit recommends checking firewall permissions and folder sharing.
- Don’t presume the company file is corrupted
Access conditions can be a cause of: Error 6073 99001. This is in direct contradiction of the official Intuit troubleshooting path which begins with the basics: access, Single-User / Multi-User status, file sharing permissions and remote access — not an ungrounded commitment to techies that the database itself is jaunt.
How to Verify the Fix
Verify that the fix worked, rather than just checking whether the error disappeared one time.
Use this test:
- [ ] The company file opens normally.
- [ ] The correct user can sign in.
- [ ] Multi-User Mode works when required.
- [ ] Another authorized workstation can access the file.
- [ ] Users can save changes.
- [ ] The host computer remains available.
- [ ] The company-file folder remains accessible.
- [ ] No unexpected read-only restriction appears.
- [ ] Closing and reopening QuickBooks does not return the error.
According to Intuit, for networked environments, QuickBooks requires proper Windows file permissions, a working database server and valid QuickBooks user access before the company file can be accessed.
Prevention Checklist
A few network-management habits can reduce recurring company-file access problems.
- Company file
- Keep the company file in an appropriately shared location.
- Never store a networked company file in a read-only folder.
- Regular backups maintenance is a must.
- Multi-user setup
- Keep one appropriate host/server for the company file.
- Keep hosting disabled on workstations that should not host files.
- Ensure authorized users have appropriate QuickBooks access.
- Windows/network environment
- Maintain appropriate folder permissions.
- Keep the host computer available during business hours.
- Monitor firewall and network configuration changes.
- Make sure the QuickBooks database service is functioning.
4. Remote access
- Close remote sessions properly.
- Check for lingering sessions when users report file-access problems.
- Avoid repeatedly terminating Windows processes unless you understand what they do.
Intuit’s current hosting guidance emphasizes the relationship between Windows permissions, database-server operation, and QuickBooks user access.
When Do You Need Professional Help?
If the previous solutions don’t do the job and QuickBooks Error 6073 99001 persists, then this issue might be related to a more complex server or workstation setup.
It can be very beneficial to seek professional help especially in the case where multiple employees access the same company file, if the host company file is located on a server, if remote access is used or when changes in Windows permissions and firewall settings can impact other business applications.
Rather than repeatedly trying unrelated fixes, the Quick Bookkeeping Expert can help business approach QuickBooks company-file access problems diagnostically. Is it a case of the workstation, host computer, network permissions or QuickBooks configuration? A professional review can help identify that. An appropriate IT professional may also be needed for complex Windows networking, server administration or security changes.
Final Decision Guide
Use this decision path when QuickBooks cannot open company file and displays 6073 99001.
- Is another user using the file?
→ Close the other session and verify Multi-User Mode.
- Is the file stored on another computer or server?
→ Check hosting, network access, database service, and folder permissions.
- Is the folder read-only?
→ Correct the appropriate Windows permissions.
- Does the problem occur after remote access?
→ Check for a lingering session and use QuickBooks Tool Hub as directed by Intuit.
- Does only one workstation fail?
→ Investigate that workstation’s network and QuickBooks configuration.
- Does every workstation fail?
→ Start with the host, database service, network, and shared-folder configuration.
- Does File Doctor report a company-file or network problem?
→ Before attempting more invasive repairs, follow the diagnostic results.
This is a reliable approach that you must try before applying every available QuickBooks repair in sequence. Because each step is tied to an identifiable symptom.
FAQs
What is QuickBooks Error 6073 99001?
QuickBooks Error -6073, -99001 occurs when QuickBooks cannot open a company file under certain access conditions. Intuit identifies situations including Single-User access on another computer, read-only network folders, certain Linux-hosted credential configurations, and remote-access sessions.
Why am I getting QuickBooks Error 6073 99001?
The first things to investigate are whether another computer has the company file open in Single-User mode, whether the company-file folder permits the required access, and whether the file is being accessed through a network or remote session. These are among the causes documented by Intuit.
How do I fix QuickBooks Error 6073 99001?
Start by closing QuickBooks on the workstations, opening the file on the host, and switching to Multi-User Mode. If that does not resolve the problem, check folder permissions, hosting configuration, remote-access sessions, and applicable QuickBooks Tool Hub diagnostics. If still facing the issue can take expert help through QuickBooks desktop support phone number 24 7.
Is QuickBooks Error 6073 the same as QuickBooks Error 99001?
The two numbers are documented together by Intuit as Error -6073, -99001. They should therefore be investigated as one company-file access condition rather than treated as two unrelated errors.
Can QuickBooks File Doctor Fix Error 6073 99001?
File Doctor can help with applicable company-file and network problems. However, if the underlying issue is another user opening the file in Single-User Mode or an incorrect hosting configuration, those conditions still need to be corrected. Intuit includes File Doctor among the troubleshooting options for this error.
Does Error 6073 99001 mean my company file is corrupted?
Not necessarily. Intuit’s documented causes include access and hosting conditions, so the error should not automatically be treated as evidence of company-file corruption.
Can incorrect folder permissions cause QuickBooks company-file access problems?
Yes. Intuit’s current multi-user documentation states that appropriate Windows file permissions are required for QuickBooks Desktop to access company files.
Should every computer have QuickBooks hosting enabled?
No. In a standard network arrangement, workstations that do not host company files should have hosting turned off. Intuit specifically recommends checking workstations for unintended hosting.
What if the error keeps coming back?
If the error returns after the immediate fix, investigate the underlying network architecture rather than repeatedly repairing the company file. Review the host, database service, folder permissions, workstation hosting settings, and remote-access configuration. Even you can seek professional help at live chat QuickBooks support number.
Wrap Up
Treat the QuickBooks Error 607399001 as a company-file access issue first.
Don’t conclude that your accounting data is going bad, check who are opening the file — where the file is stored — which computer has hosted it and whether Windows and QuickBooks have necessary permission to access it.
Single-User versus Multi-User Mode Combined with host/workstation configuration Folder Permissions and Network Connectivity. These are the Killer Checks for so many networked environments. These are also some key areas to investigate for QuickBooks Error 6073 99001 as mentioned in the current Intuit certification documentation.
When the underlying cause is determined, select the appropriate solution on how to resolve QuickBooks Error 6073 99001, test a file from the affected system and confirm that authorized users can open and save the company file as normal.
That diagnostic approach can save time and, more importantly, reduces the risk of making unnecessary changes to a working QuickBooks company file.
Source: quickbooks.intuit.com
