Spn check for SMB/SMB2 fails.
This event is related to Extended Protection for Authentication in the Server service. SMB hardening. KB article
This event is new to Windows 2008 Release 2 and Windows 7. It does not appear in earlier versions of Windows.
We have not been able to produce this event.
Subject:
Security ID: %1
Account Name: %2
Account Domain: %3
Logon ID: %4
SPN:
SPN Name: %5
Error Code: %6
Server Information:
Server Names: %7
Configured Names: %8
IP Addresses: %9