Enable Retrieval of Remote Certificate Authority Information

This policy setting controls whether Outlook will use remote certificate authority information in a secure email message to validate that its certificate is trusted.

If you enable this setting, you'll allow the operating system to access remote network locations specified in a certificate for validation.

If you disable or don't configure this setting, retrieval of remote Certificate Authority Information won't be allowed, and only stored certificates will be used for authentication.

Supported on: At least Windows 7
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\16.0\outlook\security
Value Nameenableaiacertextension
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

outlk16.admx

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