Disabling the MSDT URL Protocol to Mitigate Vulnerabilities

Disabling MSDT URL protocol prevents troubleshooters being launched as links including links throughout the operating system. Follow these steps to disable:

  1. Run Command Prompt as Administrator.

In the search box, type “CMD”.  Select the “Run as administrator” option.

Select “Yes” on the User Account Control.

 

  1. To back up the registry key, execute the command “reg export HKEY_CLASSES_ROOT\ms-msdt filename

 

Chose a name for the backup file such as “MSDT_Protocol_Backup” and run the command reg export HKEY_CLASSES_ROOT\ms-msdt MSDT_Protocol_Backup in the Administrator command prompt by typing in the command and selecting return.

 

  1. Execute the command “reg delete HKEY_CLASSES_ROOT\ms-msdt /f”.

Run the command reg delete HKEY_CLASSES_ROOT\ms-msdt /f  in the Administrator command prompt by typing in the command and selecting return.

 

You are now finished.

 

 

 

Please click here if you'd like to be directed to a KB Article to UNDO this workaround.

 

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Details

Article ID: 139807
Created
Tue 5/31/22 9:14 PM
Modified
Wed 6/1/22 6:38 AM