Hi , I got "couldn't connect to the target mailbox" when importing a PST to a mailbox. i have Exchange 2010 SP1. The account I am using to run the PowerShell command has the "Mailbox Import Export" role <o:p></o:p> I changed "RpcClientAccessServer" for the database i m importing to point to an individual CAS server , this did not help.<o:p></o:p> I alsotried to specify the MRSServer on the command and this didnt help. <o:p></o:p> Thanks for support Samer