Resolve QuickBooks Error 6000 77 when opening a company file

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QuickBooks users enjoy a set of amazing features within the software, and all of their data is stored and protected on the company file. In order to function with QuickBooks, the user requires to access the company file to run the data stored in it.

However, during the QuickBooks error 6000 77, QuickBooks fails to open the company file and keep stating that it has encountered an error during the operation. The issue brings the whole application to a standstill point, and the official work comes to a halt until the error is resolved. Let’s find out some procedures to fix it in the blog below.

The solutions mentioned below provide relief from the QuickBooks error 6000 77 with extensive effort from the user side. If you need immediate troubleshooting assistance from an expert on the line with minimal probe from your side.

Table of Contents

Why I am Getting QuickBooks Error Code 6000 77?

There are numerous reasons why a user receives the QuickBooks Desktop error 6000 77 and it is important to acknowledge them before trying out the solutions. All the possible causes of the issue are given below.

Error 6000 77 While Opening Company File — **QuickBooks Encountered a Problem Error 6000 77**

The user does not have the necessary permissions to access the company file.
The data file is stored on an external drive.
The company file’s name is longer than the restricted character limit or it contains some special characters.
The network data and the transaction log files are either damaged or corrupted due to virus or malware infection on the computer.
There is some corruption in the company file.
The mapped drive created by the user is either damaged or has an incorrect file path.
The Windows Firewall is blocking the network connectivity to the company file.
The folder containing the company file is corrupted.

What Are The Solutions To Resolve The QuickBooks Enterprise Error 6000 77?

Before you try the troubleshooting methods to rectify the QuickBooks error 6000 77, try these time-saving and possible quick fixes for the issue given below.

If the company file requires elevated permissions from the user, then running QuickBooks with admin privileges might solve the problem. Restart QuickBooks by right-clicking on the QB icon on the desktop and selecting Run as Administrator.
If the company file that you are trying to access is stored on an external drive or storage device, copying the company file to the local storage will resolve the error.
If there are any special characters or blank spaces before the beginning or after the end of the company file’s name, then clear them out and try accessing the data file again.

Solution 1: Use the File Doctor Utility in the QuickBooks Tool Hub

The QB File Doctor is designed by Intuit to provide an automated fix to its users for the company file and networking issues within QuickBooks. You need to go to the QuickBooks Tool Hub to use the tool. If you don’t have it, download it from the Intuit website and install it on your system.

Open the tool hub and go to the Company File Issues tab on the window’s left pane.
Click on Run QuickBooks File Doctor and wait for the utility to open. After one minute, if it doesn’t open, go to the Start menu to search for QuickBooks Desktop File Doc and open it manually.
Once the file doctor tool comes up, choose your data file from the drop-down menu. If you can’t find your data file on the menu, click on Browse and search to browse to your file location.
Click on the middle option – Check your file and select Continue.
Provide your QB admin credentials and click on Next.

Note– The scan will take some time to complete depending on your company file size. The scan might show a failure in fixing the issues even if it resolves the error. So, after the tool finishes the scan, open QuickBooks and the company file to check if the error is gone or not.

Solution 2: Make Changes to the Names of the .ND and .TLG Files

.ND and .TLG stands for network data and transaction logs, respectively. These are the configuration files through which a user could connect to a network or use QuickBooks in multi-user mode. Any corruption or damage to them could lead to the QuickBooks error message 6000 -77 popping up on your screen. A simple solution is to rename them, so QuickBooks will automatically create new and fresh files that won’t be corrupted or damaged.

Exit from QuickBooks and right-click on the QB icon on the desktop.
Click on Properties and select Open File Location.
Double-click on the Company Files folder and look for the .ND and .TLG files.
Right-click on the files and click on the Rename option.
Add the word .OLDFILE to their names and press Enter to confirm.
Go to QuickBooks and check if the error is resolved.

Solution 3: Access the Company File from a UNC Path

Sometimes, the mapped drive created to access the company file gets messed up due to user error, and QuickBooks fails to connect with the company file. To avoid this, the user can access the company file via the UNC path by following the steps below.

Exit from QuickBooks and right-click on the QB icon on the desktop.
While holding the CTRL key on the keyboard, click on the Run as Administrator option. Do not release the CTRL key until the No Company Open window comes up on the screen.
On the No Company Open window, select the File menu and click on the Open or Restore Company option.
Select Open a company file and click on Next.
On the coming window, select Network on the left pane and browse to the location of the company file.
At last, click on the company file and select Open.

Solution 4: Configure the Access Permissions of Data File Folder to Share Company

It might be possible that the company file folder does not have the right folder permissions to share the data file with other workstations. This would also result in the pop-up of QuickBooks Warning Message error code 6000 77. Follow the steps below to set up the sharing permissions.

Close QuickBooks and press the Windows Key to open the Start menu.
Click on File Explorer and go to the folder containing the company file.
Right-click on the folder and select Properties.
Go to the Security tab and click on Advanced.
Choose QBDataServiceUserXX and click on Edit.
Under the given settings, set the permission to Allowed:
- Write Extended Attributes.
- Read Permissions.
- Write Attributes.
- Read Extended Attributes.
- Create Files / Write Data.
- Read Attributes.
- Create Folders / Append Data.
- Traverse Folder / Execute File.
- List Folder / Read Data
However, if the permissions are not configured properly, follow the steps mentioned below.
- Go back to the folder containing the data file and choose Properties.
- Select Edit under the Security tab.
- Click on QBDataServiceUserXX and choose Full Control.
- Select Allow and choose Apply.
- At last, click on OK to exit.

Solution 5: Set the Firewall Port Exception for QuickBooks

The Windows Firewall often blocks internet access for programs or files that it deems suspicious. There might be a chance that it has also blocked QuickBooks from accessing the company file on the network, and hence, the error 6000 77 is showing while opening the company file. Add the firewall port exception for QuickBooks by following the given steps.

Close QuickBooks and press Windows Key + R to open the Run window.
Type “Windows Firewall” in the search field and press Enter.
Click on Advanced Settings and right-click on the Inbound Rules option.
Create a New Rule and select Port.
Verify that the TCP is selected and enter the specific port numbers for your QuickBooks year version. Some of them are given below.
- QB Desktop 2018: 8019, 56728, 55378-55382.
- QB Desktop 2017: 8019, 56727, 55373-55377.
After entering the port number, click on Next and choose Allow the Connection option.
Keep clicking on Next until you reach Finish.

Note: For QB Desktop 2019, 2020, and later versions, the port format is 8019, XXXXX, and XXXXX is the dynamic port number, different for every product. To get the dynamic port number for your QuickBooks, follow the given steps:

Go to the Start menu and type “QuickBooks Database Server Manager” in the search bar.
Click on the QuickBooks Database Server Manager option on the results and move to the Port Monitor tab.
Look for your QB version and note down the Port Number.

Solution 6: Recreate the Corrupted Data File Folder to Fix QB Error Code 6000 77

If the QuickBooks data file folder is damaged, it will restrict the access of QuickBooks and cause the QuickBooks error 77. Follow the steps below to transfer the company file from the damaged folder to the newly created folder.

Make a new folder on the C: drive and go to the original folder of the data file.
Search for your company file (.qbw) and right-click on it.
Click on Copy and navigate back to the new folder.
Right-click on the folder and select the Paste option.
Now, you need to configure the Windows access permissions to share the company file with other workstations. Follow the given steps to do it and make sure you are logged in as the Windows Administrator.
- Right-click on the new folder and click on the Share button.
- Go to Advanced Security and select Change.
- Click on Advanced and select Find Now.
- Select the User/s and click on OK.
Now, go to QuickBooks Desktop and access your company file from the new location.

Need Assistance for QuickBooks Error 6000 77?

Before we conclude our blog on the causes and solutions for the QuickBooks error 6000 77, we hope that the content written above is understandable to the general reader and efficiently helps answer their searched query. In the end, we would like to provide one last resort to you if, in the unlikely event, no solution works out for you, then call on the Asquare Cloud Hosting Helpline Number at +1(855)-738-0359 and get immediate expert assistance anytime.

6 Working Solutions to Fix QuickBooks Error 6000 77