Computer Configuration > Administrative Templates > Google Chrome
Both
HKLM\Software\Policies\Google\Chrome
Setting the policy to Enabled mandates Chrome Enterprise Core browser enrollment and blocks Google Chrome launch process if failed. Setting the policy to Disabled or leaving it unset renders Chrome Enterprise Core browser enrollment optional and doesn't block Google Chrome launch process if failed. Machine scope cloud policy enrollment on desktop uses this policy. See https://support.google.com/chrome/a/answer/9301891 for details.