Facing QuickBooks Network Connection Error? Here’s Your Solution
                     Facing QuickBooks Network Connection Error? 
Here’s Your Solution
Out of all the issues faced by QuickBooks users, 
network issues are the most common ones. If you are 
receiving the connection has been lost error message, 
don’t worry. We can help you fix this with the help of a 
few solutions. The QuickBooks network connection 
error can arise due to multiple reasons. We are going to 
discuss the reasons and solutions for this error in this 
article. So let’s see the steps involved in fixing the 
QuickBooks network failure.
Have difficulty understanding the steps or are unable to 
fix the error? You can contact us at 1-855-948-3646 to 
get technical assistance.
• What Causes the Connection Failure?
• The network connection error in QuickBooks can 
occur due to the following possible reasons  :
• 1.The network is unable to communicate with the 
company file.
• 2.Insufficient permissions in the company file folder.
• 3.Firewall obstruction or the antivirus program is 
preventing the application from running.
• 4.The company or directory file is damaged or 
corrupted.
• 5.The monitor service responsible for keeping the 
connection intact is unexpectedly terminated.
• Step 1 - Refreshing the Browser
• Remove the network error message by reloading the page and 
refreshing the browser.
• 1.Press F5 or the Reload button to download the entire page.
• 2.Restart your computer and log in to QuickBooks Online.
• Step 2 - Checking the Firewall Access
• Firewall obstruction or incorrect firewall settings can cause 
QuickBooks connection failure. Try to reset the firewall access.
• 1.On the Windows Start menu, search for Firewall and open the 
Firewall settings.
• 2.Select advanced settings and right-click on Inbounds Rule > 
New Rule > TCP option.
• 3.Select Specific Local Port on the Ports tab.
• Step 3 - Using QuickBooks Fix my Program
• Download and install the QuickBooks tool hub and run the tool.
• 1.In the tool hub, click on Program Problems from the Installed 
program tab.
• 2.Click on Quick Fix my Program and run it.
• 3.Now see if the issue is fixed.
• Step 4 - Running the File Doctor
• Run QuickBooks File Doctor from the tool hub to detect any 
company file damages.
• 1.Open the tool hub and go to the Company File issues tab.
• 2.Select File Doctor > Company File diagnose.
• 3.Once the diagnosis ends, view the results.
• Step 5 - Changing the Company File Location
• Change your file location by following the given steps - 
• 1.Create and name a folder on your preferred drive.
• 2.Go to your company file location and copy it. Paste it to the newly created folder.
• 3.Now. Open QuickBooks and press Ctrl + Shift. The ‘No Company Window’ will 
show up.
• 4.Click on Open or Restore a Company File > Open a Company File > Next.
• 5.Go to the new folder and open your company file.
• Step 6 - Disabling Power Management
• Try turning off the power saving option to fix the connection that has been lost error.
• 1.Select the Power option on the Control Panel. 
• 2.Switch off the standby, hibernation, and sleep mode. 
• 3.Now. Open QuickBooks and the company file again to see if the issue is resolved.
• Conclusion
• Follow the given solution to troubleshoot the QuickBooks network 
connection error. If you aren’t able to resolve the error even after following 
the solutions, you might need advanced troubleshooting. Contact our 
technical team at 1-855-948-3646 for assistance with the same.