Here is a partial list of how Kerberos authentication is used in Windows NT 5.0:

• authentication to the Active Directory using LDAP for queries or directory management
• CIFS/SMB remote file access protocol
• distributed filesystem management and referrals
• secure DNS address update
• print spooler services
• optional IPsec host-host authentication in ISAKMP/Oakley
• reservation requests for network Quality of Service
• Intranet authentication to Internet Information server
• authentication of public-key certificate requests to the Microsoft Certificate Server for domain users and computers
• remote server or workstation management using authenticated RPC and DCOM