i am trying to use the export-mailbox command to export to pst but it keeps giving me this error: Export-Mailbox : Error was found for XYZ (ZYW@WWWk.com) because: Error occurred in the step: Moving messages. Failed to copy messages to the destination mailbox store with error:MAPI or an unspecified service provider.ID no: 00000000-0000-00000000, error code: -1056749164At C:\exporttest.ps1:1 char:56+ get-User XYZ@WWWk.com | export-mailbox <<<< -subjectkeywords "FIND" -PSTFolderPath C:\PSTFiles -EndDate "11/24/2008" -deletecontent -verbose it works for some account but doesnt work for majority. i cant seem to identify why it works for some. when i remove the subjectkeyword and enddate parameter, it works for everyone. how do i go about this? i have installed rollup update 4 which i am told fixes such issues and also granted the neccessary permissions and rights but the problem still persist

Try explicitly granting the FullAccess mailbox permissions for the account that is performing export-mailbox operation. See if that fixes your issueU can grant permission like this:Add-MailboxPermission -Identity <mbx_alias> -User <account_running_exp-mbx> -Rights FullAccess

Hi, I also suggest you move the problem mailbox to another information store to check whether the issue persists. Mike

Hi, Whether you have Outlook 2003 to export the messages. "MicrosoftKB article 28999 and 813593 describe a problem with using Outlook 2003 to delete several objects from a folder. You cannot use the Export-Mailbox cmdlet to delete more than 4000 objects from a folder. To export more objects, you must user Outlook 2007". for your reference: http://technet.microsoft.com/en-us/library/aa998579.aspx Mike