Exchange 2010 Export Mailbox

Solution 1:

Well, I found this. It may be an option. Try running the powershell as administrator then running the command. This is apparently a known issue

http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/886a6c39-b975-408a-827c-fb3c07ea579b

Solution 2:

Step 1: Grant Full Access Rights

New-ManagementRoleAssignment –Role "Mailbox Import Export" –User Administrator

Step 2: Create a Network Share to save Exported PST files.

Grant Exchange Trusted Subsystem group read/write permission

Step 3: Run New-MailboxExportReuqest

New-MailboxExportRequest -Mailbox EricSimson -FilePath "\\SERVER01\PSTFileShare\EricSimson_Recovered.pst"

You can check the status of active export jobs with Get-MailboxExportRequest command.

More detailed steps are available here.