Move-Mailbox from Exchange 2003 to Exchange 2007

Hello,

I have an Exchange 2003 on a separate Forest than my Exchange 2007.
I have created a two-way forest trust.
On Exchange 2007 i have not created a username nor a mailbox for the user i am trying to move.
I am trying to move-mailboxes from Exchange 2003 to Exchange 2007 using the following cmdlet

Move-Mailbox -TargetDatabase "Exchange2007\First Storage Group\Mailbox Database" -Identity User1 -GlobalCatalog exchange2007.xxx.domain.com -SourceForestGlobalCatalog EXC2003.yyy.domain.com -NTAccountOU "OU=Imported,DC=xxx,DC=domain,DC=com" -SourceForestCredential $SourceCredential -TargetForestCredential $TargetForestCredential

Here is the error message i get any help will be greatly appricated, because i really dont understand the error message as the mailbox database is in fact correct

Move-Mailbox : The specified mailbox database "EXC2003\First Storage Group\Mailbox Store (EXC2003)" does not exist.
At line:1 char:13
+ Move-Mailbox  <<<< -TargetDatabase "EXCHANGE2007\First Storage Group\Mailbox Database" -Identity User1 -GlobalCat
alog exchange2007.xxx.domain.com -SourceForestGlobalCatalog Exc2003.yyy.domain.com -NTAccountOU "OU=Imported,DC=xxx,DC=domain,DC=com"
-SourceForestCredential $SourceCredential -TargetForestCredential $TargetForestCredential


Identity                         : exc2003.yyy.domain.com/Migrated Internet Mail users/User1
DistinguishedName                : CN=User 1,OU=Migrated Internet Mail users,DC=xxx,DC=domain,DC=com
DisplayName                      : User1
Alias                            : User1
LegacyExchangeDN                 : /o=EXC2003/ou=First Administrative Group/cn=Recipients/cn=user1@xxx.domain.com
PrimarySmtpAddress               : user1@xxx.domain.com
SourceServer                     : exc2003.xxx.domain.com
SourceDatabase                   : EXC2003\First Storage Group\Mailbox Store (EXC2003)
SourceGlobalCatalog              : exc2003.xxx.domain.com
SourceDomainController           :
TargetGlobalCatalog              : exchange2007.yyy.domain.com
TargetDomainController           :
TargetMailbox                    :
TargetServer                     : exchange2007.yyy.domain.com
TargetDatabase                   : exchange2007\First Storage Group\Mailbox Database
MailboxSize                      : 0B
IsResourceMailbox                :
SIDUsedInMatch                   :
SMTPProxies                      :
SourceManager                    :
SourceDirectReports              :
SourcePublicDelegates            :
SourcePublicDelegatesBL          :
SourceAltRecipient               :
SourceAltRecipientBL             :
SourceDeliverAndRedirect         :
MatchedTargetNTAccountDN         :
IsMatchedNTAccountMailboxEnabled :
MatchedContactsDNList            :
TargetNTAccountDNToCreate        :
TargetManager                    :
TargetDirectReports              :
TargetPublicDelegates            :
TargetPublicDelegatesBL          :
TargetAltRecipient               :
TargetAltRecipientBL             :
TargetDeliverAndRedirect         :
Options                          : Default
SourceForestCredential           :
TargetForestCredential           : System.Management.Automation.PSCredential
TargetFolder                     :
PSTFilePath                      :
RsgMailboxGuid                   :
RsgMailboxLegacyExchangeDN       :
RsgMailboxDisplayName            :
RsgDatabaseGuid                  :
StandardMessagesDeleted          : 0
AssociatedMessagesDeleted        : 0
DumpsterMessagesDeleted          : 0
MoveType                         : CrossOrg
MoveStage                        : Initialization
StartTime                        : 01/01/0001 00:00:00
EndTime                          : 01/01/0001 00:00:00
StatusCode                       : -2147467259
StatusMessage                    : The specified mailbox database "EXC2003\First Storage Group\Mailbox Store (EXC2003)" does not
                                   exist.
ReportFile                       : D:\Microsoft\Exchange Server\Logging\MigrationLogs\move-Mailbox20080125-103955-4073144.xml
pannivasAsked:
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BusbarSolutions ArchitectCommented:
there is some steps and permission needs to be done they are all listed here;
http://technet.microsoft.com/en-us/library/aa997145.aspx
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ZanemwestCommented:
the problem with what you ar trying to do is in order to move the mailboxes the exchange servers need to be part of the same organisation.

so the way forward for you is to use the AD migration tool, which is designed for this purpose, ADMT 3.0 will do the trick.
http://www.microsoft.com/downloads/details.aspx?FamilyID=6f86937b-533a-466d-a8e8-aff85ad3d212&displaylang=en

hoe that helps
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pannivasAuthor Commented:
Zanemwest

How will the ADMT tool help me with the exchange organisation.  The exchange servers are not in the same Organisation but i don't understand what i am suppose to do with ADMT to make this work.

Can you please explain a bit more
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pannivasAuthor Commented:
nevermind busbar made me recheck the permissions and indeed i found the problem.

I basically delegate full exchange admin control on the exchange 2003 to the Exchange 2007 Administrator and it worked.

So i guess i will give the points to busbar.
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ZanemwestCommented:
ADMT is designed to migrate users computers mailboxes etc accross domains forests, organisations and so on.
it will help via wizards and a bit of configuration to move between versions of exchange AD environments etc.
it is a tool designed by Microsoft to do exactly what you want to do.
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pannivasAuthor Commented:
yes but on the wizards i haven't notice any wizard for mailbox migration.

user account, groups, computer migration was there but i need to migrate the mailbox not just the user.

Unless there is another way of doing it.
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BusbarSolutions ArchitectCommented:
azne,
ADMT cannot migrate mailboxes.
thanks pannivas
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ZanemwestCommented:
yes you are right sorry need to read what i am typing
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