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Monday, May 28, 2007

 

New-Mailbox Parameters

Posted by Bharat Suneja at 6:14 PM
When creating a new mailbox using the New Mailbox wizard in the Exchange console, you are required to enter a number of parameters. The Completion page/dialog box in the wizard shows the shell command used under the hood to create the mailbox. This functionality is quite useful in understanding the commands used by such wizards, and the syntax that can be used in the shell to accomplish the same task. (As a side note, this display of commands is limited to wizards. If you add/modify a configuration setting directly, the commands used are not displayed).

When creating a new mailbox for a user Jim Murphy, the shell command used is displayed in the screenshot below.



Parameters used by the command displayed in the above screenshot:
1) Name: Jim Murphy
2) Alias: jmurphy
3) OrganizationalUnit: e12labs.com/users (Domain/Container or OU)
4) sAMAccountName: jmurphy
5) FirstName: Jim
6) Initials: '' (blank)
7) LastName: Murphy
8) Password: System.Security.Secure.String (hidden)
9) ResetPasswordOnNextLogon: $false
10) Database: distinguishedName of the mailbox database

The new-mailbox command creates a new user account in Active Directory, and a new mailbox in Exchange. Documentation for the new-mailbox command has an extensive list of all the parameters - required and optional.

However, a new mailbox can be created using far fewer parameters - as shown below:

$password = Read-Host "Enter Password" -AsSecureString

The new-mailbox command does not accept a password if it is actually typed inline in the command, e.g. new-mailbox -password MyPassw0rd1.... The command in the above example results in the shell providing a prompt to securely enter a password, without making it visible in the shell. It is held in the variable $password. The variable can then be used in the new-mailbox command.

New-Mailbox -Password $password -Name "Jim Murphy" -UserPrincipalName jmurphy@e12labs.com -OrganizationalUnit Users -Database "Mailbox Database"

Note, not all the parameters used and displayed by the New Mailbox wizard are required. Some parameters, like alias are populated automatically by the shell. You can use the get-mailbox command to list all parameters for a mailbox, and determine which parameters were populated automatically.

get-mailbox "Jim Murphy" | fl

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