Event ID: 5168

Spn check for SMB/SMB2 fails.

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