Solution 1: Restart QuickBooks in the First Place

Sometimes, this simple procedure can help you to fix the network connection error in QuickBooks Desktop. Just close and open the software and check if the issue is fixed.

Solution 2: Restart Your Device

Sometimes, you complete an update process, but it does not affect you until you restart the system. Therefore, after updating the program, restarting Windows can be a panacea to the QuickBooks network connection error.

Solution 3: Utilize QuickBooks File Doctor

If none of the above-explained solutions helps in the resolution of “connection has been lost in QuickBooks Desktop” issue, then try QuickBooks File Doctor Tool. Developed by Intuit, QFD can only work with the QuickBooks 2016 or later versions. When you download and run the tool, it fixes network issues in QuickBooks.

Solution 4: Check the Network

To eliminate QuickBooks network connection error, you need to check if you have access to the network essential for the update process.

Try to open or save the other company file on the server, to confirm that you have the required access to the network.

Create and delete MS Excel or WordPad file in the folder containing the company file, and if you fail to do so, set up Windows access permissions required for QuickBooks.