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sid extension
About this tag
The sid extension tag on WindowsForum.com covers Microsoft's ongoing Kerberos hardening campaign, specifically the final phase requiring strong certificate binding by September 2025. Discussions focus on the removal of temporary registry workarounds like the StrongCertificateBindingEnforcement key, forcing administrators to adopt explicit strong certificate mappings or strong binding. Topics include preparing Windows domain controllers for the deadline, understanding certificate-to-account mapping changes, and addressing legacy authentication setups that will break. The tag is relevant for IT professionals managing Active Directory and Kerberos authentication in enterprise environments.
Microsoft’s long-running Kerberos hardening campaign is entering its final, non-reversible phase: the temporary registry workarounds that allowed administrators to keep weak certificate mappings and “Compatibility” behavior will be removed with the September 2025 servicing wave, forcing everyone...
active directory
altsecurityidentities
august 2025
certificatebasedauth
compatibility mode
eventid39
intune
kerberos
ndes
pki
policy enforcement
scep
sidextension
strongcertificatebinding
windows server
Microsoft will remove support for the StrongCertificateBindingEnforcement registry key on Windows domain controllers on September 10, 2025, forcing a permanent switch to stricter, strong certificate-to-account mappings that will break legacy certificate-based authentication setups unless...