You have a Simple AD deployment, and you wish to use it for your Microsoft Exchange email server. You are having issues finding the AD server, why might this be?
A) You need to contact AWS to receive a PTR record for your email server.
B) Your firewall is blocking it.
C) Simple AD is not a full Active Directory server and will not work with many MS products.
D) SSL is not implemented.

Question

Quizplus · Accepted Answer

Simple AD is a lightweight directory service and does not provide the full functionality of a traditional Active Directory server, which can lead to compatibility issues with certain Microsoft products like Exchange.

You Have a Simple AD Deployment, and You Wish to Use