How to install a certificate on the local computer and avoid all the common mistakes

Install your self signed certificate (You must have local admin permissions on the machine.)
  • Double click on the .PFX file and select “Local machine” (Next)
  • Click next to the selected file (the one you double clicked.
  • Supply the password that you decided to use when creating the PFX from the PowerShell sample. (Next)
  • Accept the default to “Automatically select …” (Next)
  • Click Finish and you are done.
Run the Windows Management Console (MMC) and configure it to manage Certificates
  • To manage certificated go to the “File” menu “Add/remove Snap-in”
  • Add the “Certificates Snap-in” and then select “Computer account” (Next)
  • Select “Local computer”. (Finish) + (Ok)
Set up the user for the certificate. Otherwise the certificate will not work after reboot
  • Navigate to “Certificates\Personal\Certificates” and locate your newly installed certificate.
  • R-click it and select “All Tasks\Manage private keys”
  • Then add the admin user.
Last modified: 2 January 2025