We just finished migrate out mail server to new Exchange 2007 SP2. In our enviroroment, our exchange was hosting mailboxes for users at foreign forest ( subsidary). These user in another forest will appear as Link Mailbox. We have request from some users who currently as "Mailbox" users want to convert to Link Mailbox. I try to follow Microsoft KB but not success: http://technet.microsoft.com/en-us/library/bb201694.aspxWhen i run:Disable-Mailbox -Identity User1 Result: The Exchange attributes for User1 was remove and his mailbox set as removal When i checked on disconnected mailbox, User1's mailbox didn't appeared.When i run:Connect-Mailbox -Identity User1 -Database "Mailbox Database" -LinkedDomainController FabrikamDC01 -LinkedMasterAccount user1@fabrikam.com -LinkedCredential $credError will appear as:The specified mailbox User1 is not unique on database "Exch\SG\DB"Please help$cred = Get-Credential and

hi,check this link it might help u http://telnetport25.wordpress.com/2008/06/10/linked-mailbox-conversion-after-migration-in-exchange-2007/

Hi,For the disabled mailbox which is not displayed as Disconnected Mailbox, that should be the cache issue. Please try to refer to the below article to work on this issue:http://exchangeshare.wordpress.com/2008/04/27/cant-see-deleted-mailbox-in-disconnected-mailbox-under-recipient-configuration/ThanksAllen

Thank, now disable account shown in Disconnect Mailbox, but still not able to connect the mailbox:May i verify the cmdlt:Connect-Mailbox -Identity User1 -Database "Mailbox Database" -LinkedDomainController FabrikamDC01 -LinkedMasterAccount user1@fabrikam.com -LinkedCredential $credUser1 = disabled mailbox [Y/N]Mailbox Database = database which user in before deleted [Y/N]LinkDomain = FQDN [Y/N]LinkMaster = Fabrikam\user1 or user1@fabrikam.comError messgae:Connect-Mailbox : No matching users were found. Please use the -User parameterto specify the user to which this mailbox should be connected.

Somebody help me on this

Thank, now disable account shown in Disconnect Mailbox, but still not able to connect the mailbox:May i verify the cmdlt:Connect-Mailbox -Identity User1 -Database "Mailbox Database" -LinkedDomainController FabrikamDC01 -LinkedMasterAccount user1@fabrikam.com -LinkedCredential $credUser1 = disabled mailbox [Y/N]Mailbox Database = database which user in before deleted [Y/N]LinkDomain = FQDN [Y/N]LinkMaster = Fabrikam\user1 or user1@fabrikam.comError messgae:Connect-Mailbox : No matching users were found. Please use the -User parameterto specify the user to which this mailbox should be connected. This error shud not occur when u r giving LinkedMasterAccount. This could only occur if the value of this parameter , user1@fabrikam.com (UPN) in your case doesn't exist in foreign forest. You can also give GUID Distinguished name (DN) Domain\Account LegacyExchangeDN SmtpAddress Alias Try to give GUI or Distinguished Name of the Linked Master Account instead of UPN or Domain\User name. Regards, Laeeq Qazi|Team Lead(Exchange + Sharepoint + BES + DynamicsCRM) www.HostingController.com

Try using GUID and DN, both failed with same error messages as postedKindly assist

Hi,try this KB : http://technet.microsoft.com/en-us/library/bb124076(EXCHG.80).aspxits cleanup the database like exchange 2003 & show disconnected mailboxes .Ripu Daman Mina

The deleted maibox already appeared in Disconnected Mailbox. The problem now is to run the cmdlet:Connect-Mailbox -Identity User1 -Database "Mailbox Database" -LinkedDomainController FabrikamDC01 -LinkedMasterAccount CN=User1,OU=TestOU,DC=Fabrikam,DC=com LinkedCredential $credwhich everytime i run the cmdlet, will get the error message as below:Error messgae: Connect-Mailbox : No matching users were found. Please use the -User parameter to specify the user to which this mailbox should be connected.

I encountered the same problem. All I had to do to get around it was supply the username of the user that owns the mailbox (within the domain that hosts exchange).James Denavit MCSE, TS:OCS 2007

for what u r asking help.... IT Disaster Recovery UK http://www.newtonit.co.uk/products/disaster-recovery

I'm not clear about this part: supply the username of the user that owns the mailbox (within the domain that hosts exchange).

Here is the command that I used: sourceforest is where the real user accounts are Targetforest is where the disabled mailboxes and the Exchange organization is I used the "$db = get-mailboxdatabase -id databasename" command to populate the database variable. In this example, user1 is the displayname and samaccount name for the user in both domains. "connect-Mailbox -identity user1 -LinkedMasterAccount "sourceforest\user1" -Linkeddomaincontroller "dc.sourceforest.local" -LinkedCredential $cred -Database $db -User targetforest\user1"James Denavit MCSE, TS:OCS 2007

May i know where do you run this command? Are you run in sourceforest or targetforest?

source forest = fabrikam.com, real username is bonia target forest = contoso.com, mailbox name is bonia I'm administrator of target forest and here exchange 2007 is. I run below command in target forest $db = Get-MailboxDatabase -id DB4 $cred = Get-Credential , then i put the admin credential for source forest as fabrikam\administrator and password Connect-Mailbox -Identity bonia -LinkedMasterAccount fabrikam\bonia -LinkedDomainController dc01.fabrikam.com -LikedCredential $Cred -Database $db -User contoso\bonia NOTED: when i disabled mailbox for bonia in Contoso.com, the mailbox was marked as deleted and the user account still exist in AD and NOT disable. After run above command, I received below error: Connect-Mailbox : You must specify a disabled user account for a room, equipmen t, linked, or shared mailbox. At line:1 char:16 + Connect-Mailbox <<<< -Identity bonia -LinkedMasterAccount fabrikam.com\bonia -Linked DomainController dc01.fabrikam.com -LinkedCredential $cred -Database $db -User contoso\bonia please advice

You will receive that error if the user bonita is not disabled in the target forest. You need to disable contoso.com\bonia.James Denavit MCSE, TS:OCS 2007

yes..it is work. Thank you