quickbooks connection diagnostic tool

Download & Use QuickBooks Connection Diagnostic Tool

The QuickBooks Connection Diagnostic Tool is a tremendously astonishing tool. It is capable of rectifying the errors and issues that one might face while opening the QuickBooks company file in a multi-user environment. So, basically, if you Download QuickBooks Connection Diagnostic Tool then you can fix almost all the network-related issues.

Anyway, if you are looking for a complete guide where you can find how to download, install, and use QuickBooks Connection Diagnostic Tool then you couldn’t be in a better place than this. In this post, we will discuss each and every suitable detail about QuickBooks Connection Diagnostic Tool.

So, buckle your seatbelt. You are in for a ride.

What is QuickBooks Connection Diagnostic Tool?

download quickbooks connection diagnostic tool

It is a fixation tool developed by Intuit (the parent company of QuickBooks). You can fix all the network-related and company file issues using this software.

Read also-How to use Quickbooks file doctor

System Requirements To Install QuickBooks Connection Diagnostic Tool

This software can be used on any computer in which you are already using QuickBooks. It means you can utilize the features of this tool in Windows XP, Windows Vista, Windows 7, Windows 8, and Windows 10.

Also, the device should have an intact Microsoft component and C++ framework.

What Issues and Errors can QuickBooks Connection Diagnostic Tool Resolve?

There are numerous issues and errors that you can solve using this incredible tool. So, let’s see what they are one by one.


QuickBooks update error 12007 

QuickBooks error 6000 80

QuickBooks error 15215 server not responding

QuickBooks error 6210


  • If you see that the access has been denied to QuickBooks Database.
  • In case the windows firewall is installed defectively.
  • At instances, the vendor list is vacant in QuickBooks.
  • If the customer list is missing.
  • If there are infected files on your device.
  • The QuickBooks file is corrupted.

When should you use the tool?

You can use this tool when you see any of these indications or issues. Let’s see what they are.

  • If the QuickBooks Database Server Manager is not working problem. Also, if you notice an error related to the QuickBooks Database Server Manager.
  • In case the Firewall has not been updated and is not compatible with the version of QuickBooks you are using.
  • To fix corrupted QuickBooks files. Not only if it is corrupted, but also if it is broken or damaged.
  • At instances when the vendor and customer list are empty.
  • If you are not being able to update entries.
  • To resolve the H series errors in multi-user mode.
  • Also, for 6000 series errors.
  • If your QuickBooks files are infected by any virus or malware.

How to Download and Install QuickBooks Connection Diagnostic Tool?

Here is the step for QuickBooks Connection Diagnostic Tool 2018 Download. Just follow each step one by one carefully.

  • The very first step that you have to follow is to remove any previous version of the QuickBooks Connection Diagnostic Tool if it exists.
  • Now, you have to visit the official website of Intuit and download QuickBooks Connection Diagnostic Tool.
  • After downloading, open the folder where you saved the setup. Click on it.
  • The installation window will pop up.
  • Accept the terms and conditions by choosing I agree. Later click Next.
  • Simply follow the on-screen instructions in order to complete the installation.
  • Select the folder where you would like to save the installation files. It is usually recommended to save it in the C drive.
  • After the installation is complete if the tool does not start on its own, then you will have to click the desktop icon to launch it.

Now that we know the ways to install the tool, it is time for us to understand how to use it. Let’s have a look at that.

You may also like to know about Quickbooks Tool Hub

How to Use the QuickBooks Connection Diagnostic Tool?

There are different sections in the Quickbooks diagnostic tool that you can make complete use of. Let’s see what they are and how to use them.

Diagnose Connection Tab

download quickbooks connection diagnostic tool

In this tab, you can choose the file in which you are facing the issue. Simply select the file and then click on diagnose/repair. The file will be under a scan. If any error is to be detected, it will also be fixed.

Firewall status: 

quickbooks diagnostic connection tool

Here you can see the basic setup of a firewall that has to be established in your windows firewall. So, you can compare the settings and check if your firewall has intact settings or not.

Test Connectivity

This tab is helpful to check the internet connectivity of your system. Also, you can try to establish a proper connection with the Intuit server and QuickBooks. In case, that is the issue. Here is how to use this tab.

  • Click the browse button next to the company file section to locate your company file.
  • Now, click the test connectivity button.
  • After the test is complete, the status is shown in red (problem found) or green (no problem found).


This is how you are supposed to use the QuickBooks Connection Diagnostic tool. We hope that we could enlighten you on how to download, install and use this incredible resolving tool by Intuit. Don’t forget to check out other articles on our website. They are going to be of great use to you.