HKEY_CURRENT_USER\Software\Microsoft\IdentityCRL\UserExtendedProperties Delete the specific email folder.
Unlike a simple static file (the classic .crl file), the IdentityCRL Registry is often a dynamic service or an advanced caching layer within a CA. Here is the step-by-step process of how it functions in a typical Windows Server CA environment (where the term is most commonly used). identitycrl registry
The (Identity Certificate Revocation List) registry keys in Windows are primarily associated with the Microsoft Online Services Sign-in Assistant and how Windows manages Microsoft account identities for apps and services. identitycrl registry