Install Root Certificates

Here are various procedures to install root certificates:

Windows

  1. Open the Microsoft Management Console by searching for MMC in the Start menu. Another way is to press the Win+R keys on your keyboard and, in the Run window, search for MMC
  2. Select File – Add/Remove Snap-in
  3. In the Available snap-ins box, select Certificates
  4. Click the Add button.
  5. In the wizard, select Computer Account , then click Next
  6. Select Local computer , then click Finish to end the wizard
  7. Click OK to save your changes. This action will also close the Add or Remove Snap-ins dialog.
  8. In the console, select Certificates (Local Computer)
  9. In the Logical Store Name box, right-click Trusted Root Certification Authorities and select All Tasks – Import
  10. Follow the instructions in the Certificate Import Wizard and provide the certificate file you have.

Linux (ubuntu, debian)

  1. sudo mkdir /usr/local/share/ca-certificates/extra
  2. sudo cp ca.crt /usr/local/share/ca-certificates/extra/ca.crt
  3. sudo update-ca-certificates

Watch for a 1 added in the output messages.

Exceptions for web browsers

Windows

Firefox does not trust the same certificates as Windows and a setting must be applied in order to enable this.

Please consult Mozilla's KB

Linux

Both Firefox and Chrome use their own certificate trust stores.

Please consult the same Mozilla KB