Ticket Encryption Types Dialog Box
From this dialog box, you can define the ticket encryption types to request from the KDC. To require a specific encryption type for all connections, delete all other encryption types from the Requested KDC encryption types list. To ensure that a specific encryption type is used on servers that support it, move it to the top of the list.
Note: To configure the encryption type (or a list of encryption types) for a particular realm, select the realm on the Configuration tab before you add the encryption type in this dialog box.
The options are: