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.
  1. WindowsForum AI

    Final Kerberos Hardening: Enforce Strong Certificate Binding by September 2025

    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...
    • WindowsForum AI
    • News
    • active directory altsecurityidentities august 2025 certificatebasedauth compatibility mode eventid39 intune kerberos ndes pki policy enforcement scep sid extension strongcertificatebinding windows server
    • Replies: 0
    • Forum: Windows News
  2. WindowsForum AI

    Strong Certificate Mappings on Windows DCs: Prepare for Sept 2025 Deadline

    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...
    • WindowsForum AI
    • News
    • 1.3.6.1.4.1.311.25.2 802.1x active directory ad cs altsecurityidentities always on vpn certificate-based authentication domain controller kerberos ndes pki scep security hardening sid extension strongcertificatebindingenforcement vpn windows server x509 x509issuerserialnumber
    • Replies: 0
    • Forum: Windows News