Your Exchange Server 2007 organization contains two Exchange servers named Exch1 and Exch2. Exch1 fails and cannot be restored to service. You need to move all mailboxes from Exch1 to Exch2.
Which cmdlet should you run?

A.
Get-Mailbox -Server Exch1 | Move-Mailbox -IgnorePolicyMatch -TargetDatabase “Exch2\First Storage Group\Mailbox Database”

B.
Get-Mailbox -Server Exch1 | Move-Mailbox -IgnoreRuleLimitErrors -TargetDatabase “Exch2\First Storage Group\Mailbox Database”

C.
Get-Mailbox -Server Exch1 | Move-Mailbox -ValidateOnly -TargetDatabase “Exch2\First Storage Group\Mailbox Database”

D.
Get-Mailbox -Server Exch1 | Move-Mailbox -ConfigurationOnly -TargetDatabase “Exch2\First Storage Group\Mailbox Database”