I have a problem with kadmin

[Matt Crawford]

> I have a problems with kadmin, when I try to manage my kerberos 
> database, I got this error:
>
> [SHELL]# kadmin -p administrador/admin
> Authenticating as principal administrador/admin with password.
> Password for administrador/admin at UPIITA.IPN.MX:
> kadmin: GSS-API (or Kerberos) error while initializing kadmin interface
>
> What can I do?

Let me guess ... is there NAT between your machine and the KDC?  
Eliminate that, if you can.