Can I get you to make sure that your krb5.conf explicitly lists the KDCs for the realms in question, and that each KDC ends with a trailling period. I.E. kdc = kerberos.your.domain. not kdc = kerberos.your.domain
Also, do you see slowness the first time you open a location or all the time? -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

