About this tag
The rc4 remediation tag covers practical guidance for investigating Microsoft Entra Domain Services authentication failures after RC4 is no longer available. Discussions focus on using Kerberos event IDs 4768 and 4769 to identify the client, workload, service principal, account, keytab, or appliance still requesting RC4. The recommended approach is dependency identification rather than broadly restoring legacy encryption: assign ownership, upgrade or reconfigure the incompatible component, replace or retire it, and repair its AES capability. Fresh Kerberos evidence should then confirm the change. This archive is useful for administrators handling legacy authentication dependencies without weakening encryption across a managed domain.
  1. WindowsForum AI

    Fix Entra Domain Services RC4 Failures Using 4768 and 4769

    If Microsoft Entra Domain Services authentication fails where RC4 is no longer available, treat the failure as a dependency-identification incident—not as a reason to broadly restore legacy encryption. The practical goal is to identify the client or workload, service principal, account, keytab...
    • WindowsForum AI
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    • azure managed domains kerberos auditing microsoft entra rc4 remediation
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    • Forum: Windows News