Informational: Kerberos GeneralString to be Interpreted as ASCII Only
To ensure future interoperability between existing deployments of Kerberos 5 (RFC 1510) and future standards efforts the Kerberos Working Group strongly recommends that users of Kerberos 5 implementations SHOULD NOT deploy Kerberos principal or service names that utilize characters not included in the 94 printable characters specified in the International Reference Version of ISO-646/ECMA-6 (aka U.S. ASCII).