Workaround: add a "root/admin" principal to the KDC and give it "add" rights to the KDC database. Export the key for root/admin to /etc/security (or wherever you put your key, using the "keytab=...." option). Then specify "principal=root/admin" for all of the clients you want to migrate.
Workaround: add a "root/admin" principal to the KDC and give it "add" rights to the KDC database. Export the key for root/admin to /etc/security (or wherever you put your key, using the "keytab=...." option). Then specify "principal= root/admin" for all of the clients you want to migrate.