#Exchange 2010 - Export User Mailbox to PST via Exchange Management Shell

1. Create a share folder for save the PST file. (In my case, my share folder named PST).

2. Launch Exchange Management Shell with administrator.

3. Add the user that run the export mailbox with Mail Import Export role. (In my case, i use administrator).

• New-ManagementRoleAssignment -Role "Mailbox Import Export" -User "administrator" 

To Export a user mailbox

• New-MailboxExportRequest -Mailbox user FilePath \\Server1\PST\ user.pst

To check the export status

• Get-MailboxExportRequest