Directory and Resource Administrator 7.x
Directory and Resource Administrator 8.0
A user added to a Global Distribution group does not appear in the Global Address List (GAL).
Unable to see some members of Global Distribution groups in the Global Address List (GAL).
The user has the Hide from Exchange address lists option checked.
To resolve this issue, start the Account and Resource Management console and uncheck the Hide from Exchange address lists box on the Exchange Advanced tab in the user's properties page. Directory and Resource Administrator (DRA) does not display users in the Global Address List (GAL) that have this option enabled.