This subcategory reports generated by Kerberos ticket request processes on the domain controller that is authoritative for the domain account. Events for this subcategory include:
? 4769: A Kerberos service ticket was requested.
? 4770: A Kerberos service ticket was renewed.
? 4773: A Kerberos service ticket request failed.
Refer to the Microsoft Knowledgebase article ?Description of security eve ...