> No, the other way around. Microsoft Active Directory sounds a lot > like LDAP and Kerberos. Credit where credit is due ... No, the other way around. Microsoft Active Directory implements an LDAP like directory accessible interface for its own directory. Calling Active Directory "LDAP" is like calling vim `echo "xx" > yy`. If you are unaware of all the moving parts under Active Directory, it might prove very informative to explore it. Credit where credit is due ... jlc