5 Working Solutions to Fix “QuickBooks Connection Has Been Lost” Error Message

fix QuickBooks Connection Has Been Lost

Are you the one facing difficulty in accessing your company file and getting the QuickBooks connection has been lost error message and was unable to open or use QuickBooks desktop? Then this article is for you, here check out the complete information to fix the connection to the company file has been lost error message.

We all know how important QuickBooks is for the small, medium-sized as well as large businesses. But there are cases seen when the users start getting an error message due to the smallest hitch.

There are many errors faced by the QuickBooks users time to time, and today in this article I am going to describe one of the irritating error users are getting when trying to use or open QuickBooks desktop or sometimes while working on the QuickBooks.

The connection to the company file has been lost. QuickBooks must close immediately. Any unsaved data will need to be re-entered.

QuickBooks Connection Has Been Lost

Well, this is very irritating and there are various reasons why your QuickBooks connection has been lost error message appears. But the good news is that you can fix this by the following number of working solutions.

Overview of the “Connection has been lost” Error Message

The QuickBooks connection has been lost error signifies that QuickBooks is unable to access your data file or section of the data file. Commonly if there is the slightest problem in the network then also the user can get the connection to the company file has been lost error message

However there are many other culprits as well that causes the error, and before moving towards the fixes here have a look.

Reasons for the QuickBooks Connection has been lost Error

When you use QuickBooks in the network environment and the system (desktop, laptop or server) goes into sleep mode.

 There are many machines that come set with the hard drives to go into “sleep mode” after 10-15 minutes for saving energy. And this is what interferes with the connection to the QuickBooks database and causes connection lost error message.

Despite this, sometimes the internal network card of the computer is also set to go into “sleep mode” after a small interval and can cause the error message.

Also, the QuickBooks is not supported to work in the wireless setup, and if you are looking to use it in a wireless environment then it is quite common to get the messages about lost connections.

So, to fix the error you need to simply turn off sleep mode for the hard disks. And check if the error is resolved or not. But if not then try the below given manual as well as automatic solution to resolve the QuickBooks Connection has been lost error message.

How to Fix “QuickBooks Connection has been lost” Error

There are a number of fixes that you can try in your case to troubleshoot the connection to the company file has been lost error

# Follow the given steps if your company file is stored on a portable drive:

Make sure your company file is stored on the local drive; avoid working on your company file when it is on a portable drive like flash drive. And follow the given steps.

Check your portable drive

  1. Assure that your portable drive is still connected and try below-given steps:
    • Disconnect and reconnect your drive
    • Locate your QuickBooks company file on the removable drive from My Computer
    • Make sure the other files you save to your drive are working.
  2. Also, assure is having plenty of available space. It must have at least as much free space as the company files size.

Hope this works for you to fix the error if your company file is stored on a portable drive. But if your system is connected to the network than follow the given steps

# Follow the given steps if your computer is connected to network and data file is stored on another computer.
  • Check whether your network connection is the unstable or non-wired connection
  • The folder where the file is saved might require additional permission
  • Check if the firewall is preventing access over the network
  • Or the power saving mode is turned on.

Despite this the network can break in many other ways:

  • If the server or host might be having a similar issue
  • If you have seen a Windows error or similar issue on your system
  • Or if there is a problem in connection of computers like protocols, cables, routers, and others.

If this works for you then well and good, but if then follow the other quick tweaks to fix the connection has been lost QuickBooks error.

Related Article: 10 QuickBooks Issues and How to Fix Them on Windows/Mac

Solution 1: Restart Database Server Manager

Restarting the database server manager helped many users to fix the error so, here follow the steps to do so:

  • Click Start > choose Control Panel.
  • Now double-click Administrative Tools > double-click Services.
  • Right-click the appropriate data manager
  • And click Restart to restart the service.

Now check the error is fixed or not.

Solution 2: Move File to Different Folder

This is a quick trick that helped the users to fix the QuickBooks connection lost error message. So simply try moving the file to the different folder and check if an error message appears or not

Solution 3: Check Network Connection

As it is said above the QuickBooks are not supported on wireless networking and is not reliable for information like company file so, follow the complete steps to check network connection.

  1. Assure you are having necessary access so open or save another file on the server
    • Then create and delete Microsoft Excel or WordPad file on that system.
  2.  However, if you are unable to access to create and delete the non-QuickBooks file in that folder, then Set up Windows access permissions needed for QuickBooks

Please Note: If your network is not working properly or if you are facing difficulty in applying the given manual steps, then consult a network technician or an IT professional.

Don’t Miss: How to Repair a Damaged Quickbooks Company Data File in Windows/Mac

Solution 4: Verify your Antivirus and Firewall

This is a very common problem in many cases the third party antivirus program and the firewall interrupts the connections to bypass.

So, check your antivirus and firewall if they are interrupting the connection also configure the firewall and add QuickBooks firewall ports > Set up folder permissions for sharing the company files.

And after doing so, check if the connection to the company file has been lost is fixed or not.

Solution 5: On the Server Disable Power Management Settings

Well, if none of the above-given solutions works for you then follows the steps to disable the power management settings on the server.

  1. On your system where the company file is stored in the Windows Control Panel > open the power management settings
    • Press Windows key > type Power Options
    • Now from the results choose Power Options
  1. And turn off all sleep, standby, and hibernation modes on the host computer.
  2. To know more about power options go to the Windows Help and Support

Also Read: [Fixed]: ‘This is a Corrupted or Damaged QuickBooks Database’ Error

Hope after following the given manual solutions you are able to fix the QuickBooks connection has been lost. But if still not or else you are not technically savvy then make use of the alternate automatic solution.

Automatic Solution: QuickBooks File Repair Tool

Make use of the automatic solution QuickBooks File Repair Tool, this is designed with the advanced technology that scans, detect and fix the QuickBooks Files (QBW) errors easily. With the help of this, you can also fix corrupt or damaged QuickBooks files. This not only fixes errors but also recover important information like vendors, company, financial information, employees, customers, payroll transactions and many other. It is easy to use even a novice user can make use of it easily.

Steps To Use QuickBooks File Repair Tool

Step 1: Download and install QuickBooks File Repair Tool and click on “Select File” button if you know the location of QuickBooks files or select “Search Files” if you don’t know the location of files.

QuickBooks error

Step 2: Click the ‘Scan File’ button for scanning the selected file.

QuickBooks error

Step 3: After then, click on the “Company” button to see the preview of scanned company information.

QuickBooks error

Step 4: By clicking on ‘Customer’ button, you can see the customer related information.

QuickBooks error

Step 5: Click on “Vendors” button to see the information of vendors.

QuickBooks error

Step 6: If you want to see the information of employees click on “Employees” button.

QuickBooks error

Step 7: Click on the “Repair” button, a “Save As” dialog box will appear select version, path and then click on the ‘Start’ button.

QuickBooks error

Step 8: If the repair process is successfully completed then a message will appear as “repair process completed successfully”. Now click ‘OK’ and close the box.

QuickBooks error


QuickBooks is undoubtedly very useful for the business to carry out various tasks easily. But this is also not free from errors.

The QuickBooks connection has been lost error message is one of them, here I provided the manual as well as automatic solution to fix the Quickbooks connection lost error message.

Try the given manual fixes one by one or else you can also make use of the automatic solution to fix the error easily.

Hope after following the above-given fixes you are able to fix the error and start using your company file without any issue.