AD authentication on NMC

Hi,

We are enabling ad authentication for user logins on NMC, but we have users in different OUs in AD, we are able to user one OU's users but we are not able to add another OU users though we have option to add multiple "authority names" . can any one help on this?

NetWorker Management Console version 3.5.3.Build.514

based on NetWorker version 7.5.3.Build.514

thanks,

Sudheer