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If you are in a hybrid exchange environment and all your changes are from the on prem environment you will run the below command from on prem Exchange Management shell:<br />
<br />
<br />
Import-Csv alias-add-var-gen1.csv | % {<br />
&nbsp; Get-RemoteMailbox $_.SMTP | Set-RemoteMailbox -emailAddresses @($user.emailAddresses)+$_<wbr />.newsmtp<br />
}
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<div>
yes i have tried changing our script that way and using &quot;get-remotemailbox&quot; instead, but it generated errors. <br />
<br />
here is the error:<br />
<br />

<pre><code class="code-10 nolinks" id="code-20-43075547-1"><span>Cannot process argument transformation on parameter 'EmailAddresses'. Cannot convert value &quot;System.Collections.ArrayLis</span>
<span>t&quot; to type &quot;Microsoft.Exchange.Data.ProxyAddressCollection&quot;. Error: &quot;MultiValuedProperty collections cannot contain nul</span>
<span>l values.</span>
<span>Parameter name: item&quot;</span>
<span>    + CategoryInfo          : InvalidData: (:) [Set-RemoteMailbox], ParameterBindin...mationException</span>
<span>    + FullyQualifiedErrorId : ParameterArgumentTransformationError,Set-RemoteMailbox</span>
<span></span>
<span>Cannot process argument transformation on parameter 'EmailAddresses'. Cannot convert value &quot;System.Collections.ArrayLis</span>
<span>t&quot; to type &quot;Microsoft.Exchange.Data.ProxyAddressCollection&quot;. Error: &quot;MultiValuedProperty collections cannot contain nul</span>
<span>l values.</span>
<span>Parameter name: item&quot;</span>
<span>    + CategoryInfo          : InvalidData: (:) [Set-RemoteMailbox], ParameterBindin...mationException</span>
<span>    + FullyQualifiedErrorId : ParameterArgumentTransformationError,Set-RemoteMailbox</span>
</code></pre>
</div>


Solution Architect

Michael Leonard

<div>
thanks that worked! &nbsp;appreciate it!
</div>


<div>
<div class="content wysiwyg-content">
can someone help us with this script, here is the situation, we have on premise exchange 2010 and have migrated a few hundred mailboxes to 365, this has converted the on premise mailbox, into a &quot;remote mailbox&quot; object.<br />
<br />
we need to add an additional proxy address to a few hundred of these. here is the script that works fine when run against Exchange on premise mailboxes, how can we modify this to run against the &quot;remote mailbox&quot; object that now exists:<br />
<br />

<pre><code class="code-1 nolinks" id="code-10-29180377-1"><span>Import-Csv alias-add-var-gen1.csv | % {</span>
<span>  Get-Mailbox $_.SMTP | Set-Mailbox -emailAddresses @($user.emailAddresses)+$_.newsmtp</span>
<span>}</span>
</code></pre>
</div>
</div>


can someone help us with this script, here is the situation, we have on premise exchange 2010 and have migrated a few hundred mailboxes to 365, this has converted the on premise mailbox, into a "remote mailbox" object.

we need to add an additional proxy address to a few hundred of these. here is the script that works fine when run against Exchange on premise mailboxes, how can we modify this to run against the "remote mailbox" object that now exists:

(CODE)

Need urgent assistance with powershell script - exchange

Windows PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language built on the .NET Framework. PowerShell provides full access to the Component Object Model (COM) and Windows Management Instrumentation (WMI), enabling administrators to perform administrative tasks on both local and remote Windows systems as well as WS-Management and Common Information Model (CIM) enabling management of remote Linux systems and network devices.

Powershell

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.