The Directory Server Plug-in is a subcomponent of the Directory Server Connector. You configure the Directory Server Plug-in on each Directory Server being synchronized.
This Plug-in:
Enhances the Directory Server Connector’s change-detection features by storing encrypted passwords in the Retro Changelog
Provides bidirectional support for user attribute and password synchronization between Active Directory and Directory Server (see Using On-Demand Password Synchronization to Obtain Clear-Text Passwords
The Directory Server Plug-in is functional in a N-way, multimaster replication (MMR) environments. (Previously, Identity Synchronization for Windows supported two-way MMR only.)