HI Mostafa, Wht i understand you have two exchange organisation. One a exchange 5.5 and another exchange 2003. If this is the case..Please refer to the Web sites given below and it should help you out. Using the Exchange Migration Wizard http://www.msexchange.org/tutorials/Exchange-Migration-Wizard.html How to use the Exchange Migration Wizard to migrate mailboxes from an Exchange organization http://support.microsoft.com/default.aspx?scid=kb;en-us;328871 Permissions required to run the Exchange 2000 Server Migration Wizard http://support.microsoft.com/default.aspx?scid=kb;en-us;281496 Interorg Replication Utility XADM: Installing, Configuring, and Using the InterOrg Replication Utility http://support.microsoft.com/default.aspx?scid=kb;en-us;238573 Configuring the InterOrg Replication Tool http://www.msexchange.org/tutorials/Configuring-InterOrg-Replication-Tool.html If u need additional help let me know. Manoj " Jack of all trades, master of the moment"
