Code Field Name Description
0x1 Kerberos Encryption Types DES-CBC-CRC Disabled by default starting from Windows 7 and Windows Server 2008 R2.
0x3 Kerberos Encryption Types DES-CBC-MD5 Disabled by default starting from Windows 7 and Windows Server 2008 R2.
0x11 Kerberos Encryption Types AES128-CTS-HMAC-SHA1-96 Supported starting from Windows Server 2008 and Windows Vista.
0x12 Kerberos Encryption Types AES256-CTS-HMAC-SHA1-96 Supported starting from Windows Server 2008 and Windows Vista.
0x17 Kerberos Encryption Types RC4-HMAC Default suite for operating systems before Windows Server 2008 and Windows Vista.
0x18 Kerberos Encryption Types RC4-HMAC-EXP Default suite for operating systems before Windows Server 2008 and Windows Vista.
0xFFFFFFFF Kerberos Encryption Types - This type shows in Audit Failure events.