Operating SystemsWindows 2012 R2 and 8.1
Windows 2016 and 10
• Other System Events
in Windows 2003
This event is new to Server 2012 R2. It does not appear in earlier versions.
Kerberos preauthentication by using DES or RC4 failed because the account was a member of the Protected User group.
Security ID: %2
Account Name: %1
Service Name: %3
Client Address: %7
Client Port: %8
Ticket Options: %4
Failure Code: %5
Pre-Authentication Type: %6
Certificate Issuer Name: %9
Certificate Serial Number: %10
Certificate Thumbprint: %11
Certificate information is only provided if a certificate was used for pre-authentication.
Pre-authentication types, ticket options and failure codes are defined in RFC 4120.
If the ticket was malformed or damaged during transit and could not be decrypted, then many fields in this event might not be present.
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