Synchronize address data (e.g. Outlook Global Address List (GAL)) between different Active Directory (AD) forests.
The process is as follows:
1) Export user objects of source forest using LDIFDE (a tool provided by Microsoft)
2) Use the program LoadADContacts2 to determine differences between this export and the specified OU of the target AD forest.
3) Update the OU of the target AD forest using LDIFDE using the output of LoadADContacts2
Now users in the target forest can see the users...