Hi,
You may try to Export contacts and Import them. This will not move the contacts, So the modified date should be preserved.
Method:
1. Login to Source mailbox.
2. Export the Contacts from Source mailbox to PST.
3. Login to Target mailbox
4. Import the Contacts to Target mailbox from PST.
Ref to :
Convert an old PST to a Unicode PST - Method 1: Import
How to manage .pst files in Outlook 2007, in Outlook 2003, and in Outlook 2002
All the Best :)
Sathish Kumar Elango | MCSE 2003 & MCSA Messaging |
http://msexchangehelp.wordpress.com