Remove-Mailbox doesn't work because MailboxGuid exists twice *SOLVED*
Hello everyone, I have a problem on our Exchange Server 2007. I have a user with a mailbox which can't be accessed by Outlook, only by webmail.This same user has a mailbox in the Disconnected Mailboxes. Both mailboxes are on a different Database, but have the same MailboxGuid.What I can see is that the ItemCount is different, the mailbox in use has 7100 items, the disconnected has only 2 item.So I filter that mailbox by using: Code Snippet$temp = Get-MailboxStatistics | Where {$_.DisplayName -eq "Username"} | Where {$_.ItemCount -eq '2'} | Select DisplayName,ItemCount,Database,MailboxGuid Result: Code Snippet DisplayName ItemCount Database MailboxGuid Username7100Mailbox Database 4abcd1234 Username2Mailbox Database 1 abcd1234 After that I typed in: Code SnippetRemove-Mailbox -Database $temp.Database -StoreMailboxIdentidy $temp.MailboxGuid But this resolves in an error: Code Snippet Remove-Mailbox : The mailbox that you specified is connected to "Username". Only disconnected mailboxes can be reconnected. Specified mailbox: "abcd1234".At line:1 char:15 Does someone know how I can remove the disconnected mailbox but keep the one in use? Thank you very much for any help!!Sebastiaan.
September 23rd, 2008 11:19am

Hi Sebastiaan, GUID should be unique for all mailboxes. Are you able to see disconnected mailbox in Recipient Configuration -> Disconnected Mailbox? If not, then run below command on the database where mailbox was residing. Clean-MailboxDatabase Mailbox Database 1 Once you see the disconnected mailbox, can you try below command and see the result? Code Snippet$temp = Get-MailboxStatistics | Where {$_.DisplayName -eq "Username" -and $_.ItemCount -eq 2}$temp | select displayname, mailboxguidRemove-Mailbox -Database $temp.Database -StoreMailboxIdentidy $temp.MailboxGuid
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September 23rd, 2008 11:45am

Thank for your quick reply!I can see the mailbox in Receipient Configuration -> Disconnected MailboxRunning the code you wrote displays this information: Code Snippet DisplayNameMailboxGuid Username e2931df6-4996-4884-8c68-0daf8394b64d But, running the code without the "-and $_.ItemCount -eq 2" shows: Code Snippet DisplayName MailboxGuid Usernamee2931df6-4996-4884-8c68-0daf8394b64d Username e2931df6-4996-4884-8c68-0daf8394b64d As you can see, both the same MailboxGuid
September 23rd, 2008 11:58am

Clarify: EMS cannot remove disconnected mailbox as it shares same MailboxGuid with new one Since both disconnected and current mailboxes share the same MailboxGuid, server will fail to execute the command Therere two ways to remove disconnected mailbox: 1. Wait for Deleted mailbox cleanup running to purge it 2. Please try Amits remove command at first. As we can see, with itemCount -eq 2, its already filtered that disconnected mailbox out, not like the command in your first post, it filtered both disconnected and current mailboxes 3. If its still not working, please try the following cmdlet: Get-MailboxStatistics -database "SERVERNAME\STORAGEGROUP\DATABASE" | where {$_.disconnectdate -ne $null -and $_.displayname -contains 'UserDisplayName'} | foreach {remove-mailbox -database "SERVERNAME\STORAGEGROUP\DATABASE" -storemailboxidentity $_.mailboxguid} Notes: To be sure we get the right data; we can run the following first: Get-MailboxStatistics -database "SERVERNAME\STORAGEGROUP\DATABASE" | where {$_.disconnectdate -ne $null -and $_.displayname -contains 'UserDisplayName'} Resources: Remove-Mailbox How to remove disconnected mailboxes in Exchange Server 2007
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September 24th, 2008 3:53am

Hi James, thanks for you reply.I tried Amit's remove command again, but that didn't work.Cleanup should have run a long time ago I guess, because the user can't use outlook for a long time now (arround 2 months). So than the mailbox should have been deleted already.I tried your 3rd solution, but that also didn't work Below is the script I run with all information, I hope this is usefull. Code Snippet [PS] >Clean-MailboxDatabase "Mailbox Database 1" [PS] >$temp = Get-MailboxStatistics | Where {$_.DisplayName -eq "Username" -and $_.ItemCount -eq 2}[PS] >$temp DisplayNameItemCountStorageLimitStatus LastLogonTime-------------------- ------------------ -------------Username2 8/28/2008 2:42:46 PM [PS] >$temp | select displayname,mailboxguid DisplayNameMailboxGuid----------------------Usernamee2931df6-4996-4884-8c68-0daf8394b64d [PS] >Remove-Mailbox -Database $temp.Database -StoreMailboxIdentidy $temp.MailboxGuidRemove-Mailbox : A parameter cannot be found that matches parameter name 'StoreMailboxIdentidy'.At line:1 char:62+ Remove-Mailbox -Database $temp.Database -StoreMailboxIdentidy <<<< $temp.MailboxGuid [PS] >$temp.MailboxGuid Running this command returns a empty row [PS] >$temp.DisplayNameUsername [PS] >Get-MailboxStatistics -database "EXCHANGE\First Storage Group\Mailbox Database 1" | where {$_.disconnectdate -ne $null -and $_.displayname -contains "Username"} DisplayNameItemCountStorageLimitStatus LastLogonTime-------------------- ------------------ -------------Username2 8/28/2008 2:42:46 PM [PS] >Get-MailboxStatistics -database "EXCHANGE\First Storage Group\Mailbox Database 1" | where {$_.disconnectdate -ne$null -and $_.displayname -contains "Username"} | foreach {remove-mailbox -database "EXCHANGE\First Storage Group\Mailbox Database 1" -storemailboxidentity $_.mailboxguid}Remove-Mailbox : The mailbox that you specified is connected to "Username". Only disconnected mailboxes can be reconnected. Specified mailbox: "e2931df6-4996-4884-8c68-0daf8394b64d".At line:1 char:187+ Get-MailboxStatistics -database "EXCHANGE\First Storage Group\Mailbox Database 1" | where {$_.disconnectdate -ne $null -and $_.displayname -contains "Username"} | foreach {remove-mailbox <<<< -database "EXCHANGE\First Storage Group\Mailbox Database 1" -storemailboxidentity $_.mailboxguid}
September 24th, 2008 10:26am

1. Set Keep deleted mailbox to 0 against the disconnected mailboxs store in the EMC 2. Run Clean-MailboxDatabase against both stores, it can scan the disconnected mailbox that is not yet marked as disconnected in the store 3. After that, go to EMC, check the disconnected mailbox list. If the disconnected mailbox is still there, try to cmdlet to remove again 4. If above steps is still not working, try the following 5. Backup current mailbox to PST by using Export-Mailbox 6. Disable current mailbox in the EMC, run Clean-MailboxDatabase against both stores 7. Check disconnected mailbox check by cmdlet, see if old mailbox has gone, if yes, reconnect current one back
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September 24th, 2008 11:06am

Thank you James,I did step 1 and 2 and the mailbox was gone! Problem solved for now Thanks all.
September 26th, 2008 11:58am

After an accidental Active Directory OUdeletion and apartially successfulrestore we were left with thousands of duplicate GUIDs, and got this same error when we tried toremove thedisconnected mailboxes. Thanks James for your comments. We ran steps 1 and 2 and they were all cleaned up.Joe
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August 31st, 2009 10:03pm

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