How to move mailboxes across Forest using Exchange 2007 cmdlet

 

$SourceCredential = Get-Credential

 

$TargetCredential = Get-Credential

 

Here is the cmdlet to move all mailboxes on NYBNCEM-1\Mailbox store 2:

 

get-mailbox –Database "NYBNCEM-1.corp.mysourcedomain.com\First Storage Group\Mailbox Store 2 (NYBNCEM-1)" -Credential $SourceCredential -DomainController nyshadc-2.corp.mysourcedomain.com | Move-Mailbox -TargetDatabase "NYXSRV-10\BINC - DB1\BINC - DB1" -GlobalCatalog nydc-4.us.mydesdomain.com -SourceForestGlobalCatalog nyshadc-2.corp.mysourcedomain.com -NTAccountOU "OU=NY,OU=Binc,DC=us,Dc=mydesdomain,DC=com" -SourceForestCredential $SourceCredential -TargetForestCredential $TargetCredential