Microsoft used their own implementation of Kerberos. From the Kerberos Wikipedia entry:
> While Microsoft uses the Kerberos protocol, it does not use the MIT software.
The license of the original implementation is thus irrelevant. Pretty much the only thing that would have prevented MS would have been if there were patents on Kerberos.
> While Microsoft uses the Kerberos protocol, it does not use the MIT software.
The license of the original implementation is thus irrelevant. Pretty much the only thing that would have prevented MS would have been if there were patents on Kerberos.