Help desk guys brought me a problem with newly created mailboxes. They claimed new mailboxes were shown as “Legacy Mailbox” in Exchange Management Console. What would be implications?
Found an answer really quickly on first page of Bing search. This MSKB 931747 says
This issue may occur if the following conditions are true:
- The mailbox was created in the Active Directory Users and Computers snap-in on a server that was running Microsoft Exchange Server 2003.
- The mailbox was moved to an Exchange Server 2007 server or an Exchange Server 2010 server .
The resolution in that MSKB says
To resolve this issue, correct the properties of the mailbox. To do this, use the Set-Mailbox command together with the ApplyMandatoryProperties parameter in the Exchange Management Shell.
I came up with the following power shell command to convert all Legacy mailboxes in the organization to Normal Exchange user mailbox.
get-mailbox -resultsize unlimited | Where { $_.RecipientTypeDetails -eq ‘LegacyMailbox’ } | Set-Mailbox –ApplyMandatoryProperties
Open Exchange Management Shell, copy & paste the above command. The first part of the cmdlet gets all mailboxes (get-mailbox). Second part filters only Legacy Mailboxes (Where). The last cmdlet applies the “ApplyMandatoryProperties”.
Hope you find this blog easily and helps you quickly.
great stuff man solved my issue i had with exchange! glad i found your article!
This seems to have worked for me, thanks. I’m 24 hours or so without the error popping up.
I’m running Server 2008; Exchange 2010; and my machines on the LAN are Win 7 Ultimate running Office 2010.
Got me to my fix…thanks.
All I had to do though was
Get-Mailbox -RecipientTypeDetails LegacyMailbox | Set-Mailbox -ApplyMandatoryProperties
I am having this issue – made a Mailbox with code using the Exchange 2010 settings and even though it made with all of the new settings, it listed my mailbox as Recipient Type Legacy Mailbox. I tried to modify this code and use
get-mailbox -resultsize unlimited |$_.User -eq ‘Fred Flintstone’ | set-mailbox -applymandatoryproperties
and nothing happened. Any hints???
Not sure what happened there?But try that command on the CAS server itself.
I went to the ExhServer and ran code in Exch PWSH – still shows as Legacy Box.
$_.User -eq ‘Fred Flintstone replace to ” Where { $_.Fred Flintstone -eq ‘LegacyMailbox’ }”
Thnxx…this is a perfect fix to my problem.
This is very helpful..good work dude solved my issue i had with exchange 2010..Excellent article!
it converts for exisiting mailboxes, but new user accounts are still being created as Legacy. Any thoughts?
Are you still Exchange Mixed mode (two different Exchange versions)? If yes, it’s the default behavior
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