How to Troubleshoot QuickBooks Error 6000 77?

QuickBooks Error 6000 77

QuickBooks error 6000 77 may arise from various causes, such as insufficient authorization to the server system, damaged or corrupted company files, outdated QuickBooks versions, missing or damaged company files, and the storage of the company file on external storage rather than the local drive or network. The error may also be triggered by referencing a mapped drive to access the company file. Comprehension of these fundamental causes is indispensable for effectively diagnosing and resolving the matter.

When opening their company file, users often run into the QuickBooks Error Code 6000 77. There are several reasons why this error happens so often. First, the company file might be on an external storage device instead of the local drive, making it hard to get to. This error can also happen if you have multiple open files pointing to the mapped drive. Lastly, when QuickBooks is in multi-user mode, it can be challenging for people to talk to each other, which causes errors. Knowing these reasons is essential for quickly identifying and fixing the problem, allowing you to view QuickBooks’ financial data without issues.

What is QuickBooks Error 6000, -77?

QuickBooks desktop error 6000 77 usually happens because the file is in the wrong place. Accounting and banking have changed a lot in recent years thanks to QB software, which has changed how business owners do their accounting. It’s just that technology problems like this error keep happening with the system and stop all of your work. This message appears when you don’t have enough rights to open a QuickBooks file. 

It occurs while accessing the company file by the user. Reasons are here:

  • The file is located in some external storage.
  • QB does not have permission to access the company file. 
  • Accessing the file with the help of a mapped drive.

QuickBooks Error 6000 77

Reasons behind Quickbooks Error 6000-77:-

Quickbooks Error 6000, -77 comes across when the user tries to access/open the company file. It seems to appear like this:

  • When the file of the company is located on the external store instead of any network or local drive.
  • There is improper folder permission on which file is placed or saved.
  • The file is opened using a reference through a mapped drive.
  • Some communication error while using “Multi-User” mode.

Major Symptoms of Quickbooks Error 6000-77:-

  • The error message is displayed on the user screen.
  • The company file is not opening in the QB software.
  • The present Window OS is corrupted.
  • The workstation hangs up or stops for some minutes.
  • The QB software is not responding properly.

How to resolve QuickBooks error 6000, -77 in detail?

Lots of methods are available for solving QuickBooks Error 6000-77. Some of the solutions are:

Method 1: Use the QB (QuickBooks) File Doctor Tool

Open the “QB File Doctor” tool to have a solution to network-related problems. It will help to remove blockage on multi-user connections. You can also fix the company file with this tool. If you are not able to fix this problem after applying this solution, then move to method 2. 

Method 2: Rename “.ND” and “.TLG” file

  • At first, visit that folder where the company file is stored.
  • Locate the “.ND” and “Right” click on the “.ND”
  • Now “Rename” the file to “.ND old”.
  • Similarly, find the “.TLG” file and rename it to “.TLG old”.
  • Now open the QB.

Method 3: Correct Firewall Settings and Security Settings 

A firewall can resist data transfer and it may quarantine some important files. It may block the server computer of QuickBooks. After completion of correct settings in the Firewall, try to open QuickBooks on a workstation that is showing the 6000-77 error. Steps are listed below:                           

  1. Consider the Firewall settings; hit the “Windows” option. 
  2. Visit the “Instrumental” panel.
  3. There, type “Firewall” in the search bar and hit “Enter”.
  4. Press “Enter”.  Then the “Advanced Settings” option.
  5. Opt “Outbound Rules” and go for “New Rule”
  6. Select “Ports” and click “Next”.
  7. Consider the following ports by clicking TPC:
  8. Hit “Next” and tap on the “Allow the Connection” option.
  9. Now in the field, add your name.
  10. The process is finished; now try to open the QuickBooks.

Note: If this 6000-77 Error persists, then follow the next method.

Method 4: Create a New Folder for Your QBW File

 This process is of making a fresh folder of the QBW file:

  • Visit “C-Drive” and create a new folder.
  • Now visit that folder where the file of the company is located.
  • Now find the “.qbw” file.
  • Now copy this file.
  • Now paste it into a freshly created folder.
  • Then Create an “access” for the file to allow the user to share or exchange the file of the company
  • At last, a user should open a QB file from a new location. 

Method 5: Follow the “UNC” path instead of using a “Mapped” drive.

  1. Firstly “Right” click on the QB icon.
  2. Now using the keyboard, press and hold the “Ctrl” key. 
  3. Then tap on the “Run as Administrator” option.
    Note: Make sure to hold the “Ctrl” key until the message “No Company Open Window” appears as this holding prevents the QB from auto-opening a file of the company.
  4. Now consider “File Menu”. 
  5. In the file menu window, select “Open or Restore Company”
  6. Now “Open a company file”
  7. Then hit “Next”.
  8. Now look at the left pane, opt “Network” option.
  9. Now navigate or follow the location of the vital company file. 
  10. Then select a company file 
  11. Hit “Open”.

See Also – Fix QuickBooks Has Stopped Working or Not Responding Error


This QuickBooks error -6000 -77 can happen for several reasons, such as not having enough permissions to access the server system, company files that are damaged or corrupted, out-of-date QuickBooks versions, missing or damaged company files, and keeping the company file on an external drive instead of the local drive or network. Getting rid of this error can be a manageable IT understanding. Pay attention to the instructions. Call our technical specialist for a quick fix or if the error persists. Our notable experts are happy to help. The company file needs to be on the local drive, which is on an external storage device. This is what causes the QB Error 6000 Status Code 77. Number of files started in QuickBooks that were linked to a mapped drive. You don’t need to know anything else about IT to fix this error. Thoroughly following the steps is essential.


Q. How do I fix QuickBooks Error Code -6000 -77?

If you want to fix QuickBooks Error 6000, -77, move the company file to a different spot on your computer. Move the company file to a new folder on your computer drive, and then try opening it in QuickBooks from that new folder. This simple step usually fixes the problem.

Q. Can an incorrect file path lead to QuickBooks Error Code 6000 77?

When you try to open a company file in QB, you get error number 6000 77 because the file path is wrong, you don’t have enough permissions, or the file is damaged. Check the file path, change the rights, and use QuickBooks File Doctor to fix it. To avoid losing data, it is suggested that you back up your data before fixing it.

Q. What should I do if Error 6000 77 persists after trying all fixes?

If QuickBooks Error 6000 77 still shows up after you’ve tried all of the fixes, call QuickBooks Support for help from a professional. They can give you advanced troubleshooting steps and help you fix complicated problems that simple fixes can’t, making sure that your company file is fully restored and can be accessed.

Q. How Can I Resolve QB Error code 6000 77?

To fix QuickBooks Error 6000 77, you should use QuickBooks File Doctor to find and fix problems. Check the location and permissions of files, ensure QuickBooks is up to date, and turn off hosting on computers if necessary. Set up firewalls, utilize QuickBooks Database Server Manager, or move the corporate file. If you need help, contact QuickBooks assistance.

Can I Prevent QB Error 6000 77 in the Future?

First, go to Windows Firewall and click on “Advanced Settings.” Then, change all of the QuickBooks-related rules on the firewall ports by hand, as well as the antivirus rules. The QuickBooks Error number -6000 -77 will be fixed.

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