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Amazon Web Services

Custom CA Certificates in AWS WorkSpaces

I use an AWS WorkSpace for a Windows remote desktop, connecting to some systems that have a custom CA. As the WorkSpace is managed by a domain, simply installing the CA certificates as usual doesn’t work. After much frustration, I figured out the right steps to manually add a CA cert.

  1. install Group Policy Management Console by opening an Admin PowerShell and running: Install-WindowsFeature –Name GPMC
  2. Run GPMC: gpmc.msc
    • Set up Group Policy Object, following Install the Group Policy Administrative Template
    • Open the new WorkSpaces Machine Policies
    • Go to Computer Configuration -> Policies -> Windows Settings -> Security Settings -> Public Key Policies -> Trusted Root Certification Authorities
    • Right click, select Import…
    • Follow wizard prompts
    • Log out then back in

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