Simple Guide to Resolve QuickBooks Network Connection Error
                     Eliminating QuickBooks 
Network Connection 
Error
QuickBooks is a reliable accounting software that can generate invoices, financial 
reports and store all the data as company files. These files are used to run 
monetary tasks in the software and can be shared among multiple users 
connected to the network. The software is, however, inclined to develop internal 
errors that can sometimes create tricky situations for the users. 
QuickBooks Network Connection Error message appears in the software when it 
fails to connect with the company file. On the off chance this similar message 
popped up on your screen while working on the company file, keep reading further 
to learn about its causes and appropriate methods to fix it.
Converse with a QB professional at 1.855.856.0042 to resolve any QB-related 
queries.

About the issue
This is a company file-related error that strikes the software when the connection to the 
company file lapses while you work on it or the software fails to initiate a connection. In 
any case, you’ll receive an error message,” The connection to the company file has been 
lost. QuickBooks must close immediately.” The software will crash after displaying this 
message, and you’ll see it whenever you try to access the file before fixing this error.
Reasons
The reasons mentioned below are mainly responsible for this error in QuickBooks-
• Database Server Manager has stopped running in the background, which caused the 
connection with the company file in the multi-user network to break.
• The Firewall active on your computer blocks QuickBooks from setting up any 
connections.
• The Company file is damaged, and the software cannot run it.
Solutions
The practical solutions for this company file error are listed below-
Solution 1- Configure the Power management settings of your system
Power management in Windows helps users limit the system’s use of resources to conserve 
battery. This can restrict QuickBooks from setting up a connection or using the processor 
and RAM as per requirements. The steps below will help you configure the settings-
• Go to the search panel on your taskbar and type ‘Power Options.’
• Open Power Options from the search results.
• Turn off all the modes, like sleep, hibernation, standby, etc., and save the settings.
• Reopen QuickBooks to access the company file again.
Try the next method if issues are still present while opening the file.
Solution 2- Use the QuickBooks Tool hub to repair the software & 
company file
The QuickBooks Tool hub comprises many tools to deal with day-to-day issues in the 
software. You can download the latest version (1.6.0.2) of the QB Tool hub from the 
QuickBooks website. Apply the steps given below after the tool is downloaded-
• Open the QB Tool hub on your computer and select Company file issues from the 
options.
• Click on the Run QuickBooks File Doctor tool option and choose your company file from 
the program list.
• Select the middle option (Check your file) and enter your QB Admin password.
• Let the tool repair your company file & then open the QuickBooks again.
The error will be eliminated after using the methods given above.
Conclusion
This blog explains the circumstances that can act as a reason the QuickBooks Network 
Connection Error to your company file. Some practical methods are mentioned in the blog 
which can be used to eliminate this error from your QuickBooks. If you still encounter any 
issues, approach a QB support team at 1.855.856.0042 for assistance.