You want to modify the default Kerberos settings that define things, such as maximum ticket lifetime.
22.214.171.124 Using a graphical user interface
There are several Kerberos-related settings you can customize. In most environments, the default settings are sufficient, but the ones you can modify are listed in Table 14-1.
14.19.4 See Also
MS KB 231849 (Description of Kerberos Policies in Windows 2000) and MS KB 232179 (Kerberos Administration in Windows 2000)