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Exchange 2010 mass change alias?

Posted on 2011-09-02
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Last Modified: 2012-05-12
In exchange 2007 when you mass created mailboxes it would by default set the alias to the username (samaccount) of the user.  In exchange 2010 it grabs FirstnameLastname as the alias.

Is there a shell command that you can run to make the mass change to username?  

And I cannot set an e-mail address policy as our usernames are the first 7 of the lastname and then the first two of the first name.  John Westington would have a username of westingjo.  
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Question by:jruskey
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Expert Comment

by:Akhater
ID: 36475850
$mbxs = get-mailbox -resultsize 1

$mbxs | set-mailbox -Alias $_.SamAccountName

that should do it for one user, if it works change the -resultsize 1 in the above command to -resultsize unlimited to apply it to all
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Author Comment

by:jruskey
ID: 36486237
Is there any way to do this for a specific OU?  I want to test it on a single OU before I mass it out.  Please let me know.  Thanks.
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Expert Comment

by:Akhater
ID: 36486257
yea sure

change the first line to

$mbxs = Get-Mailbox -OrganizationalUnit domain.local/users (of corse change that to your ou)

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Author Comment

by:jruskey
ID: 36488249
I get the attached error on the second line.
error.png
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Expert Comment

by:Akhater
ID: 36488273
the is something wrong please run the first line again and then run

$mbxs

what is the result ?

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Expert Comment

by:Akhater
ID: 36488296
sorry my bad !

the second line should be


$mbxs | set-mailbox $_.DistinguishedName -Alias $_.SamAccountName
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Author Comment

by:jruskey
ID: 36488317
The first line works because it gives me the results of the students.  I have tried your new line and still get an error.  It is attached.
error2.png
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Expert Comment

by:Akhater
ID: 36488336
$mbxs | % { set-mailbox $_.DistinguishedName -Alias $_.SamAccountName}
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Author Comment

by:jruskey
ID: 36493113
That seemed to have worked perfect.  Any way now to do a mass on that OU and take out the previous alias which was there FirstnameLastname@domain.com?
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Expert Comment

by:Akhater
ID: 36493721
I dot get it you just changed the akias what is the request?
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Author Comment

by:jruskey
ID: 36495383
It changed it so that they now are correct in the sense that john smith email address is smithjo@domain.com.  However, it still has a second address in there that lists johnsmith@domain.com.
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Expert Comment

by:Akhater
ID: 36495761
Can you share a screen shot?
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Accepted Solution

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Akhater earned 500 total points
ID: 36495859
oh wait you mean now the user has 2 email address and not 2 aliases right ?

if so then don't bother with it it won't show anywhere
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Author Closing Comment

by:jruskey
ID: 36498872
Thank you for your help
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