Retain 3.x Exchange Module
How to use Exchange distribution lists
You can create Distribution List in Exchange Admin Center to manage information dissemination. Retain will query Exchange for a list of users in each distribution list.
While you can create these in Active Directory Users and Computers these changes will not be reflected in Exchange therefore Retain will not see them.
If you rename a distribution group it needs to be done in Exchange or Retain will not see it either.
Dynamic Distribution Lists cannot be seen by Retain as they only create a user list at the time the message is sent. So it is more of a filter then a list.
Remember to refresh the address book if you wish to see the latest list changes..
This article was originally published in the GWAVA knowledgebase as article ID 2413.