Where can a firefox GPO go wrong?

Question

Browsers

{
  "extensions": {
    "vmrc": {
      "action": "useHelperApp",
      "ask": false,
      "handlers": [{
        "name": "VMRC",
        "path": "C:\\Program Files (x86)\\VMware\\VMware Remote Console\\vmrc.exe"
      }]
    }
  }
}

Good afternoon! this policy was distributed to the registry via GPO https://github.com/mozilla/policy-templates/blob/m... but when we go to about:policies it says that the policy has an error, and instead of the vmrc program we need, it still starts workstation. Tell me what could be the problem

Answer 1

Replace extensions with schemes in your policy - everything will work.
VRMC is not a file extension, but a type of link, such as mailto