Here is how you can use QuickBooks Install Connection Diagnostic Tool

You may face certain unexpected and annoying errors while installing QuickBooks on your desktop. However, the makers of QuickBooks have fortunately developed a tool called QuickBooks install diagnostic tool that can help you diagnose and fix a majority of the installation errors. In this article, we are going to discuss in detail how this handy tool works. QuickBooks desktop also uses many core components of Microsoft and if any component goes missing or stops functioning appropriately, the Windows operating system may cause errors and glitches.

A few of the issues triggered by missing or faulty Windows components are .NET Framework, C++, and MSXML which are fixable with QuickBooks Connection Diagnostic tool. if you need a free consultation for this tool, then you can connect with our dedicated support team round the clock.

quickbooks connection diagnostic tool 8.0

You may read: Versions of QuickBooks Desktop are Supported on Windows 10

How does the QuickBooks Install Connection Diagnostic tool work?

QuickBooks Connection diagnostic tool is an innovative tool that can diagnose errors while installing QuickBooks Desktop. The tool also ensures that the QuickBooks installation process starts on time. The tool fixes multiple errors and issues, including the .NET Framework, MSXML & C++ errors, it fixes several other errors and issues. A few other errors that the tool fixes are as follows:

QuickBooks Error Code 1402Error Code 1904QuickBooks error 6175QuickBooks Error H202
Access denied to QuickBooks databaseWrongly configured Windows firewallMultiple entries in the Employee lists are missingAny kind of virus attack to the QuickBooks company files
Empty customer listsQuickBooks Install ErrorsQuickBooks Error H505QuickBooks error 6150 1006
QuickBooks Error Code 1603QuickBooks error 6129QuickBooks error 6177QuickBooks error 6000 832
Error Code -6150QuickBooks error 6144 82QuickBooks Error Code 1935QuickBooks Error -6000, -82
Error -6000, -301QuickBooks error 15215QuickBooks Error 6190

An image of the connection diagnostic tool is given below:

QuickBooks Connection Diagnostic tool - Screenshot

Finding and fixing issues is extremely simple with QuickBooks connection diagnostic Tool. You just have to start the diagnostic tool before you continue to fix the errors manually. The tool also significantly cuts off the time taken to fix issues.

Perks of Using QuickBooks Connection Diagnostic Tool

QuickBooks connection diagnostic tool rolls in with some great features and benefits. The advantages include the following:

  • This particular tool helps in diagnosing different QuickBooks errors that are seen at the time of installation of QuickBooks.
  • Also, it assists in fixing countless errors faced by users.
  • It also saves a lot of time and efforts
  • It assists in resolving unexpected errors and multi-user errors in QuickBooks.
  • QuickBooks connection diagnostic tool also fixes issues where the employees make certain entries that don’t get updated on QuickBooks.

When to Run the QuickBooks Connection Diagnostic Tool?

One can run the tool in the following situations:

  • When running into issues related to the QuickBooks database server manager.
  • When issues related to the windows firewall appear.
  • You can also use the tool if there is any damage to the company files.
  • If there are multi-user errors.
  • Using such a tool would work when any sort of virus is affecting the QuickBooks functions.
  • Or where the employees make certain entries that do not get updated.

Also see: How to Resolve QuickBooks Update Error 15101?

Steps to download and Install QuickBooks Connection Diagnostic Tool

How you can use QuickBooks Install Connection Diagnostic Tool - Infographic
  1. You can download QuickBooks connection diagnostic tool from Intuit’s official site.
  2. Once the setup file appears, save that on your desktop.
  3. Let the download complete and the ‘QBInstall_tool_v2.exe’ file will appear on your screen.
  4. Close all open and running apps.
  5. Double-click on ‘QBInstall_tool_v2.exe file’ and click run when prompted.
  6. Restart your computer and you are good to go.

Steps to Use QuickBooks Connection Diagnostic Tool

  1. First of all, ‘double-click the ‘QuickBooks desktop icon‘.
  2. And then, ensure not to open the corrupted company file yet.
  3. After that, hit on the ‘utilities’ option and then navigate to the option for repair file and network problems.
  4. You will then receive a pop-up on the screen that would ask permission to collect the private information regarding QuickBooks and data. Click ‘Yes’ and ‘continue’ options respectively.
  5. Now, move to the folder where you save your company files, look for the faulty company file and access it.
  6. The next step is to select the option to show ‘advanced settings’ and you should progress to a drop-down list of items.
  7. A list of fixes would be found to choose from. It is supposed to select the one that suits the situation.
  8. The next step is to enter the ‘QuickBooks login ID and password‘.
  9. Following the steps correctly will launch the QuickBooks connection diagnostic tool.
  10. Wait for the tool to fix the error.

Steps to Test Workstation’s Connectivity

  • Herein, you need to tap on the company file field to search the company file.
  • Heading forward, ensure you are using a Linux system when the network setup is available in alternate mode.
  • Opt for the change hosting server checkbox.
  • Each status might appear as not application in blue, before instigating the connectivity test.
  • After you run the test, status should appear in green that denoting that no threats are found or red denoting threats found.
  • Now press the test connectivity option.
  • Heading forward, if the file open status appeared in red, then the test has failed and you would now see the advanced section showing the section that was checked.
  • You now have to hit on what do these mean?
  • Once the relevant status is fixed, then you need to run again the tool to find out if there are any issues further.
  • You would now get a message denoting the success of the process.
  • Repeat the same steps on all the systems that have QuickBooks.
  • Wait for the tool to complete its task.

See also: How to fix QuickBooks error code 15xxx?

Steps to Fix Installation Errors using QuickBooks Install Connection Tool

QuickBooks Desktop connection diagnostic tool enables you to examine and evaluate the following points:

Diagnose Connection Tab:


You can use this tab to check the status of your system. Moreover, this tab also assists you in setting up the ‘QuickBooks company data file.

Checking the Firewall Status:


This diagnostic tool provides significant information on the Firewall status. You can take suitable action depending on the obtained details.

Testing Your System Internet Connectivity:


QuickBooks Connection Diagnostic tool can assist you in analyzing your system connectivity. Thus, the tool’s installation requires a smooth internet network setup.

Perform a Re-install in a Selective Start-up Mode:

Many a time, third-party apps like ‘antivirus and anti-spyware’ programs create issues with QuickBooks desktop installation. They may misunderstand QuickBooks as a malicious program or software. In order to avoid and fix such instances, it is imperative to perform the installation process in a selective mode. The selective mode starts the windows with a few items already running in your system. Here are the steps that you can follow:

  • Access your computer in the ‘Selective start-up‘ mode.
  • Hit the ‘Windows and R keys together to show the ‘RUN’ command window.
  • Type in ‘msconfig‘ in the box on the bottom left and tap on ‘OK‘ button.
  • In the General Tab, choose ‘Hide all Microsoft Services.’
  • Choose the ‘disable all’ option.
  • Un-check the‘ Hide Microsoft services’ checkbox.
Installation of the QuickBooks in selective start up
  • Check the ‘list of services.
  • Choose the ‘Windows Installer checkbox’ and hit the ‘OK tab.
  • Open system configuration and choose ‘Restart’ to restore the computer to its ‘Normal Configuration.
  • Now, tap on the ‘Windows + R’ keys together to reveal the ‘RUN’ command.
  • Type ‘msconfig’ in the box and push the ‘OK‘ button
  • Head for the ‘General tab,’ and opt for ‘Normal Start-up‘.
Select normal startup - Image
  • Hit the ‘OK‘ button.
  • Finally, opt for ‘Restart’ on the system configuration screen.

Read also: How to solve QuickBooks error 6189?

Final Words…!

We hope that you find this write-up helpful in making the most of the QuickBooks Connection Diagnostic Tool. This tool can assist you with many of the common QuickBooks issues. If you need any assistance in regards to this tool or you are not able to fix any accounting-related issue, you can contact us at our QuickBooks support number for quick and precise solutions.


If this article served your purpose, then Read the following articles also:

How to Resolve QuickBooks Error 1618?

Methods to Fix QuickBooks Web Connector Error QBWC1085

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