Microsoft Support Diagnostic Tool is a tool in Windows 10/8, Windows 7, and Windows Server 2008 R2. It is used by Microsoft Support to help identify Windows problems. When you contact Microsoft for any help, the support executives will provide you with a Passkey. You just have to open the Microsoft Support Diagnostic Tool and enter the Passkey.
To run the Microsoft Support Diagnostic Tool, click on the Start menu and type ‘msdt’ in the Search box, press ‘Enter’. After you have entered the passkey, the Tool will get activated, and then follow the instructions provided on the screen.
To identify your information, you will be provided with an Incident number that you have to enter into the tool. You may also be required to download some additional tools and answer some questions. Once the tool completes the process, it will save the results. You can send the results to Microsoft for further processing. Microsoft Support uses this information to further analyse and get the best solution for the problems that you are facing with the Windows version you have. They can also use the information to do common troubleshooting tasks.
Running Microsoft Support Diagnostic Tool doesn’t require an internet connection. This can be done through a package produced on a computer that has an Internet connection. This package is called Offline package and it will execute on the destination computer. Then it will generate a CAB file with diagnostic information which will be further directed to Microsoft support.You can also check Microsoft Product Support Reporting that facilitates collecting critical system and logging information used in troubleshooting support related issues.