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Credential-Validation

Windows Event ID 4774: An account was mapped for logon

July 3, 2026

Windows Event ID 4775: An account could not be mapped for logon

July 3, 2026

Windows Event ID 4776: The computer attempted to validate the credentials for an account (NTLM)

July 3, 2026

Windows Event ID 4777: The domain controller failed to validate the credentials for an account (NTLM)

July 3, 2026