Hi all experts. I have done some research here about how to share direcotries between multiple CME at different sites. The solution is to use external directory service using some command like url i think. But all the post i could find were mere hints. I am not too much in Microsoft AD and all. Can someone help me (and community) as well, with some proper guidelines as to how we can setup an external directory that is shared between multiple CMEs. Do we have any other options besides microsoft AD to set it up ? currently i am totally blank so pls guide me.