Missing root certificates
- Policy ID
- L_Missingrootcertificates
- Scope
- User Configuration
- Supported on
- At least Windows Server 2008 R2 or Windows 7
- Source
- Microsoft 365 Apps / Office Administrative Templates (version 5568.1000)
- Category
- Microsoft Outlook 2016 › Security › Cryptography › Signature Status dialog box
Description
This policy setting controls how Outlook functions when a root certificate is missing.
If you enable this policy setting, you can choose from three options that determine how Outlook functions when a root certificate is missing.
- Neither Error nor Warning. This option displays neither an error nor a warning, and enforces the default configuration in Outlook.
- Warning. This option ensures that Outlook displays a warning message when a root certificate is missing.
- Error. This option ensures that Outlook displays an error message when a root certificate is missing.
If you don't configure this policy setting, users will see an error when a root certificate is missing.
Options
Registry
UserHKEY_CURRENT_USER
- sigstatusnotrustdecisionREG_DWORD