quickbooks connection diagnostic tool

Download & Use QuickBooks Connection Diagnostic Tool

QuickBooks Connection Diagnostic Tool

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Intuit has brought us several tools within the tool hub. We all use them to fix all kinds of major and minor issues. However, there is one more tool located outside the tool hub known as the QuickBooks connection diagnostic tool. Many experts end up with its use when the error pops up again. The tool is known for resolving networking and multi-user issues such as HX0X and 6000 error series.

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.

What is QuickBooks Connection Diagnostic Tool?

It is a fixation tool developed by Intuit (the parent company of QuickBooks).QuickBooks connection diagnostic tool is proven to be the best by users worldwide. The tool helps in rebuilding the network connection when some multi-user errors interrupt. According to Intuit, more than 10,000 users trust this dynamic software to access the same file on multi-platforms. 

The tool ensures that every user of QuickBooks can work on the same file at the same time. It also tackles the factors like missing Microsoft components that can trigger these QuickBooks multi-user errors. You must learn more about this dynamic software to witness its amazing performance. Also, make sure that the tool supports Windows Vista, Windows XP,  Windows 7 with QuickBooks 2008 and later. 

download quickbooks connection diagnostic tool

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 like H202, H303 and H505 in multi-user mode.
  • Also, for 6000 series errors.
  • If your QuickBooks files are infected by any virus or malware.

Issues and Errors Resolve by QuickBooks Connection Diagnostic Tool 

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 error 6000 series QuickBooks error 6123 QuickBooks error 6175 QuickBooks Error H202
QuickBooks error 6000 77 QuickBooks error 6129 QuickBooks error 6177 QuickBooks Error H505
QuickBooks error 6189 QuickBooks error 6144 82 QuickBooks update error 12007 QuickBooks error 6150 1006
QuickBooks error 6000 80 QuickBooks error 15215  QuickBooks error 6210 QuickBooks error 6000 832


  • If you see that the access has been denied to QuickBooks Database.
  • In case the windows firewall is installed defectively.
  • In 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.

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.

How to Download and Install QuickBooks Connection Diagnostic Tool?

Here are the steps that will help you to download and install the connection diagnostic tool to resolve your error. 

  • Initially, you need to uninstall the previously downloaded QBs connection diagnostic tool to avoid conflict. 
  • For that, you need to go for the start button, type the control panel & press enter. 
  • Next, locate the option programs. Then, go for the option Uninstall a program under the Programs & Features. 
  • Select the tool if it has already been installed. 
  • Also, double-click on it, and click on Yes to uninstall the tool. 
  • Now, you have to download again the QuickBooks Connection Diagnostic Tool from Intuit’s site. 
  • Once the downloading process is done, save the file onto your desktop. 
  • Further, you need to close all the applications running in the background. 
  • Then, click the setup file, and open it to go for the installation process. 
  • After that, you must accept the license agreement by clicking on the option I Agree & hit the option Next. 
  • Thereafter, choose the location of the C drive for installation & click next. 
  • Next, follow the on-screen instructions to finish the installation process. 
  • Lastly, restart your computer & you can use the QB connection diagnostic tool. 

How to Use the QuickBooks Connection Diagnostic Tool?

There are different sections in the QuickBooks connection 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.

Read also-How to use Quickbooks file doctor?

Firewall status: 

quickbooks diagnostic connection tool-firewall status

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.

Frequently Asked Questions

Q1. How do I connect to QuickBooks?

QuickBooks can only be used to its full potential if it is properly set up and connected to the right data sources. Here are a few tips for connecting QuickBooks:

  • First, make sure that you have the latest version of QuickBooks installed. QuickBooks is constantly evolving, and new versions are released on a regular basis. In order to ensure that you have the most up-to-date version of the software, it is important to check for updates on a regular basis.
  • Second, connect QuickBooks to your bank account. This will allow QuickBooks to automatically import your transactions, saving you the time and effort of manually entering data. To do this, simply go to the ‘Banking’ section of QuickBooks and select ‘Add Account.’ From there, you will be prompted to enter your bank login information. Once you have entered this information, QuickBooks will be able to access your account data and import your transactions.
  • Third, connect QuickBooks to your credit card accounts. This will allow you to track your expenses and better manage your finances. 

Q2. What is QuickBooks Direct Connect?

The QuickBooks Direct Connect service from Intuit offers Banner Online Banking clients automatic connectivity to their accounts and download of transactions directly from Quicken or QuickBooks. This solution provides a convenient and efficient way for users to manage their finances, as well as save time by eliminating the need to manually enter data. In addition, Direct Connect ensures that users always have the most up-to-date information on their accounts, which can help to prevent mistakes and potential financial problems. 

Q3. How do I connect QuickBooks to my desktop?

  • In QBs Desktop, tap on the Customers menu.
  • Choose Link Payment Service to Company File. In the next window, fill up the fields & hit OK.
  • Type up the user ID & password.
  • Select the tab Connect.