Distribute Certificates to Windows Client Computers by Using Group Policy
Here are three articles giving steps to deploy (install) Root certificates on Windows client computers using Microsoft Group Policy Objects (GPO) in a Microsoft Windows Active Directory setup.
https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/deployment/distribute-certificates-to-client-computers-by-using-group-policy
https://www.entrust.com/knowledgebase/ssl/how-to-deploy-the-private-ssl-root-ca-to-a-workstation-with-windows-server-2012-using-gpo
How to quickly distribute CA certificates to multiple Apple devices ?
To quickly distribute CA certificates to multiple Apple devices, use MDM (Mobile Device Management) configuration profiles to push the certificates to devices enrolled in your MDM solution.
MDM solutions like Apple School Manager or enterprise MDMs allow you to create and push configuration profiles to enrolled devices.
These profiles can include settings for installing CA certificates, ensuring they are trusted on the devices.
Steps:
- Identify your MDM: Determine which MDM solution your organization uses (e.g., Jamf, MobileIron, etc.).
- Create a Configuration Profile: In your MDM console, create a new configuration profile specifically for CA certificate installation.
- Add the Certificate: Within the profile, add the CA certificate file (typically a .cer or .pem file).
- Configure Certificate Settings: Specify the certificate's trust level (e.g., trust for all apps, email, etc.).
- Target Devices: Assign the profile to the specific devices or groups of devices that require the certificate.
- Push the Profile: Deploy the configuration profile to the targeted devices.
- Verify Installation: Once the profile is pushed, verify that the certificate is installed and trusted on the devices.
Firefox
Here is an article that says how to install a Private Root Certificate in the Firefox browser.
https://support.mozilla.org/en-US/kb/setting-certificate-authorities-firefox