AD authentication in Apex 4.0 on 11g
Just an FYI. I was trying to get AD authentication to work in version 4.0. After pulling most of my hair out, I found that in 11g in order to access network services (email, AD, etc.) the user/schema must be granted access to the network ACL built into the database.
Take a look at DBMS_NETWORK_ACL_ADMIN for more information. Once I granted access to the default ACL to the application schema my calls to dbms_ldap worked as stated in the examples.
Good luck
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