How to Use QuickBooks Connection Diagnostic Tool-User Guide

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Quickbooks Connection Diagnostic Tool is also known as QuickBooks file doctor. The tool was made to help you fix the issues related to your connection error with QuickBooks or issues with company file corruption. The tool helps you diagnose the issues that hinder your smooth experience with QuickBooks desktop software. The diagnostic tool helps you fixing issues related to your company file and proper connection. Quickbooks Connection Diagnostic Tool If you are having problems with your QuickBooks accounting software and the Database Manager, and QuickBooks Company files, then you can run this connection diagnostic tool on your computer. This can help you troubleshoot the most common networking and multi-user problems. Most of the QuickBooks company file corruption errors such as H series errors or 6000 series errors appear when you are trying to open a company file. If you want to download the file, you can search for the QuickBooks Connection Diagnostic Tool. but here are a few things that you need to look into before going to download the diagnostic tool.

Before Downloading the QuickBooks Connection Diagnostic Tool

  • In case you are using QuickBooks 2016 or other versions, you may need to run the internal version of QuickBooks file doctor. Hence, in this case, I suggest you use the QuickBooks version which I have included in this post. I am telling you this because the QB version I have mentioned here is the most updated one. Therefore, there is a great possibility that it can resolve most of your issues.
  • Also, please keep in mind that, the doctor file only works in QuickBooks desktop for Windows. The file will not work in QuickBooks for Mac.
QuickBooks Connection Diagnostic Tool is a software feature represented by QB to help you be able to get rid of the QB issues that you encounter while trying to open a company files. This issue usually occurs when you are in the multi-user mode. And the connection diagnostic file can fix the issues for you in no time.

What is QuickBooks Diagnostic Tool?

The tool can resolve the QuickBooks corrupted company file errors which come in the H series errors and 6000 series errors such as 6000 83, 6000 77, 6000 80, 6000 304. The certain error codes appear in QuickBooks accounting software like QuickBooks Database Manager, and QuickBooks company records. The tool we are talking about only works with some certain operating systems such as Microsoft Windows 7, Windows Vista, or Windows XP with QuickBooks 2008 and newer or QuickBooks Enterprise Solutions 8.0 and newer. You can download and run this diagnostic too to resolve the error messages you might receive when you install and trying to open a QB desktop company file. The company files which are known as NetDiagTool.exe, QBServerUtilityMgr.exe etc. can be damaged due to various reasons.  Now let’s check out what are the issues that this tool can fix.

Issues Diagnostic Tool Can Fix

  1. You are unable to use QuickBooks and connect it to the database server
  2. You are not able to understand which firewall port you should open
  3. Problems with the QuickBooks database
If you are having one of these problems, check out the section below to have a comprehensive idea on how to resolve the error using the QuickBooks Connection Diagnostic Tool. The reasons why you are facing problems with your QB company file can be virus attack or system compatibility issues. But you can resolve them using this tool.

User Guides of QuickBooks Diagnostic Tool

First, download and extract the connection diagnostic tool. Then you have to double-click on the tool icon to open the tool and let it access your device. After that, follow the instructions I have provided below to perform the troubleshooting steps.

Diagnose the Connection Tab

This tab helps you to check the compatibility if your setup to make sure if the company file is usable from a computer without accessing to multi-user permission. Due to incorrect permission or blocked firewall ports, you can encounter error codes.

Firewall Status

In the firewall status area, you can get some basic instructions about the firewall.

Examine the Connectivity

There is a Test Connectivity area which allows you to examine and scan your QuickBooks workstation connectivity.

Test Your Computer’s Connectivity

  • You can find a button near the Company file field where you can locate your company file
  • When the network setup is in alternate mode, you require to use Linux system only
  • You need to select the Change Hosting Server check box.
  • You need to keep one thing in mind: when you are trying the connectivity test, all the status will appear as “Not Applicable” in blue letters
  • After you run the connectivity test, the same statuses will appear in green or red.
  • Now, select Test Connectivity
  • In case the statuses appear in red, that means the test has failed. There is an advanced section that will show you all the places that were checked. You can click on the What Do These Mean to get an idea of the statuses.
  • When you fix the statuses, run the tool once again to recheck for any further issue.
  • When the file opens all the statuses, you can find the resolved messages from the server. You need to repeat the same steps on clients computer where the QuickBooks is present.
The Tool was designed to identify and fix the broken company file and connectivity issues automatically. To do so, it takes help from Net Framework, C++, and MSXML components. Solution 1: QuickBooks Install Diagnostic Tool can troubleshoot Microsoft.NET, MSXML, and C++ issues. Solution 2: You can install the latest Windows updates to install the lost updates pertaining to the .NET Framework, MSXML, and C++ Solution 3: This can help you to resolve issues with Microsoft Components manually Solution 4: Or, you can also install the accounting software in Selective Start-up.

Need Help for QuickBooks Diagnostic Tool?

The 4.0 version software is easily available on a few sites. In case you have any queries regarding the diagnostic tool, you can seek help from QuickBooks customer support. Additionally, you can drop us a comment below with your questions. We would get back to you with the solutions. You can also check out other troubleshooting solution about QuickBooks Repair Tool and more. 

Our Quickbooks support number is the best place you can find help on. Our tech help is tried and tested and you can easily connect with our highly skilled technicians instantly. Dial our support number to experience the best ever Quickbooks service help.


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