DirPrep is a PowerShell based script that prepares the customer’s Lotus Notes and Active Directory environment for migration. The DirPrep process will populate all of the email related attributes on user accounts, create accounts to represent shared/group mailboxes, create accounts for rooms & resources, and will create groups in AD for each group being migrated from Notes.
DirPrep prepares the following AD objects
- Group Mailboxes
- Rooms and Resources
More information and download can be obtained here :Notes
Download: Directory Preparation for Lotus Notes Migrations – Microsoft Download Center – Download Details