Given the new domain-join approach we discussed the other day,
and until we can integrate nss_ad and related ldapcache_mgr
support, idmapd should learn how to do DNS SRV RR lookups to
find Global Catalog servers.
This RFE is needed for domain users to be able to access any CIFS share defined on a Solaris system from any Windows client at all time if interim adjoin solution provided by the smbadm join utility is used for joining the Solaris system to a domain with multiple domain controllers.