Do not allow expired certificates when validating signatures
- Policy ID
- L_DoNotAllowExpiredCertificatesWhenValidatingSignatures
- 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 Office 2016 › Security Settings › Digital Signatures
Description
This policy setting allows you to configure Office 2016 applications to accept expired digital certificates during verification of digital signatures.
If you enable or do not configure this policy setting, Office 2016 applications display digital signatures created with expired certificates as invalid.
If you disable this policy setting, Office 2016 applications treat expired certificates as valid.
Registry
UserHKEY_CURRENT_USER
- ignoreexpiredcertREG_DWORD