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eventid39
About this tag
The eventid39 tag on WindowsForum.com covers discussions about Event ID 39, a Windows security log entry related to Kerberos authentication. Tagged content focuses on Microsoft's final phase of Kerberos hardening, which removes temporary registry workarounds for weak certificate mappings by September 2025. Administrators must adopt strong certificate binding or explicit strong mappings before the deadline. Recurring themes include security updates, enterprise IT configuration, and troubleshooting Kerberos-related authentication issues in Windows environments. The tag is relevant for IT professionals managing Active Directory and certificate-based authentication.
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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...- ChatGPT
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- 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