QuickBooks connection diagnostic tool is one of the essentials for QuickBooks users, as it is extremely helpful in settling multiple network and company file corruption related bugs. This amazing tool helps the users in spotting and tackling the issues that occurs in between QuickBooks and company, and also the database server manager. 

Many users are still unaware of this magical tool and the benefits that it caters. This tool has proved to be one of the most effective tools in fixing and diagnosing various errors that might hinder the smooth working of QuickBooks desktop. In order to know more about QuickBooks connection diagnostic tool, make sure to read this post carefully. You can also make a call at our toll-free number i.e. 1-888-383-0323, and our team will guide you with various aspects related to this tool. 

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List of issues that can be fixed with QuickBooks connection diagnostic tool 

• QuickBooks database access denied  
• Improper configuration of the Windows firewall 
• Blank customer or vendor list  
• Missing entries from the employees list 
• Damaged company files  
• Missing QuickBooks files 

Steps to Use QuickBooks connection diagnostic tool 

Following are the steps to use QB connection diagnostic tool like a Pro 

• Download QuickBooks connection diagnostic tool from Intuit site. 
• After that save it on your computer and install it 
• Now you need to run it to resolve your issues.  

Give the tool some time to diagnose the problem and repair the same. The tool might take several minutes to complete the process. 

Source: http://www.rockhousemethod.com/forum/viewtopic.php?f=1&t=17659