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You can use connect-mailbox command let. How to use it check below article.<br />
<br />
<a href="http://technet.microsoft.com/en-us/magazine/ff404234.aspx" rel="ugc">http://technet.microsoft.com/en-us/magazine/ff404234.aspx</a>
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You can use connect-mailbox command let. How to use it check below article.

http://technet.microsoft.com/en-us/magazine/ff404234.aspx [http://technet.microsoft.com/en-us/magazine/ff404234.aspx]

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Yeah I get an error on that:<br />
<br />
[PS] C:\Windows\system32&gt;Connec<wbr />t-Mailbox -Identity &quot;CSM Project Management&quot; -Database &quot;Mailbox Database 1207804955&quot; -User &quot;CSMENG\Helena.Scholtz&quot; -Alias &quot;projectsw&quot;<br />
<br />
Mailbox &quot;CSM Project Management&quot; isn't unique on database &quot;Mailbox Database 1207804955&quot;.<br />
&nbsp; &nbsp; + CategoryInfo &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: ReadError: (CSM Project Management:StoreMailboxIdP<wbr />arameter) [Connect-Mailbox], MdbAdminT<br />
&nbsp; &nbsp;askException<br />
&nbsp; &nbsp; + FullyQualifiedErrorId : A6875D7B,Microsoft.Exchang<wbr />e.Manageme<wbr />nt.MapiTas<wbr />ks.Connect<wbr />Mailbox
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Yeah I get an error on that:

[PS] C:\Windows\system32>Connect-Mailbox -Identity "CSM Project Management" -Database "Mailbox Database 1207804955" -User "CSMENG\Helena.Scholtz" -Alias "projectsw"

Mailbox "CSM Project Management" isn't unique on database "Mailbox Database 1207804955".
    + CategoryInfo          : ReadError: (CSM Project Management:StoreMailboxIdParameter) [Connect-Mailbox], MdbAdminT
   askException
    + FullyQualifiedErrorId : A6875D7B,Microsoft.Exchange.Management.MapiTasks.ConnectMailbox

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is there a way to list disconnected or removed mailboxes?
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is there a way to list disconnected or removed mailboxes?

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@ Martin81<br />
<br />
would that command look something like this then:...?<br />
<br />
get-my mailbox name | clean-my mailbox name 
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@ Martin81

would that command look something like this then:...?

get-my mailbox name | clean-my mailbox name

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Thanks Martin81, saved my life :)
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<div class="content wysiwyg-content">
I accidently removed a users mailbox and need to get it back.<br />
<br />
Any help?
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I accidently removed a users mailbox and need to get it back.

Any help?

Exchange Mailbox removed by accident

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.