An effective method to troubleshoot Connection Has Been Lost QuickBooks Issue
                     What to do When you Receive Connection 
Has Been Lost QuickBooks Error
The connection to the corporate file has been lost” message, go 
here. QuickBooks must close immediately. Any unsaved data will 
need to be input again” message, it means that a ‘Connection has 
been lost QuickBooks Error’ has occurred in your QuickBooks. 
Although QuickBooks offers a stress-free experience for 
consumers, connectivity issues might occasionally arise and 
prevent users from using the service. If you are also incurring 
similar issues, we suggest you go through this blog till this end for 
a detailed understanding.
If your QuickBooks connection has been lost, we recommend you 
connect with our team of QuickBooks professionals through our 
1.855.738.2784.

Why do you Get ‘Connection has been 
lost’ error in QuickBooks?
Check out the points below to know what causes the QB 
‘Connection has been lost’ issue-
1. For a standalone computer user: The QuickBooks files might 
have been damaged severely or corrupted.
2. If the data file is stored on another computer system: the 
reason for encountering the issue might be that you have 
turned on the power-saving mode on your computer system.
Debugging Methods if the QuickBooks 
Desktop has Lost the Connection
SOLUTION 1: Go to the Server Computer to 
Turn Off Power Management Settings
Note: If your computer system is connected to a network and the data 
file is on another computer system, go through the following steps.
1. On the Windows desktop, go to the folder where you saved your 
company file.
2. Move to the ‘Start’ menu on the desktop, hit on the ‘Settings’ option.
3. Go to the ‘System’ option and click ‘Power & Sleep’.
4. Finally, you require to disable standby, sleep modes, and hibernation 
on the computer.
SOLUTION 2: Install QuickBooks Tool Hub 
by Downloading It and Using the Quick Fix 
My Program
Note: If you operate a standalone computer system, move forward with 
the solution mentioned below-
• The most recent version of QuickBooks Tool Hub must be downloaded. 
Once downloaded, save the file to an appropriate location.
• Start the installation procedure by running the 
‘QuickBooksToolHub.exe’ file and proceed with the on-screen 
instructions.
• After installing the software, return to the Windows desktop and 
double-click on the Tool Hub icon.
• Now, run the application and go to the ‘Company File Issues’ tab.
• Hit ‘Run QuickBooks File Doctor’ and then, from the drop-down 
arrow, choose your company file.
• Click on the ‘Check your File’ option.
• Tap ‘Continue’, provide your admin password, then hit ‘Next’.
• Wait till the tool identifies and resolves the issue; once done, 
access your QuickBooks Desktop.
We have tried our best to provide you with the most efficient 
solutions to debug the ‘Connection has been lost QuickBooks error’. 
One of these troubleshooting methods given above will surely help 
you resolve the issue. You can also try running QuickBooks File 
Doctor tool to resolve the error. In case you are unable to resolve 
the issue, feel free to connect with one of our experts 
at 1.855.738.2784