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Refer this previuosly answered question:<br />
<a href="https://www.experts-exchange.com/questions/26554460/Change-permissions-on-multiple-Exchange-Mailboxes.html" rel="ugc">https://www.experts-exchange.com/questions/26554460/Change-permissions-on-multiple-Exchange-Mailboxes.html</a>
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Out of interest, would this work and, if no, why not?<br />
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Get-content alias.txt | get-mailbox | add-mailboxpermission -accessRights &quot;full access&quot; -identity APP1
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Hi<br />
<br />
I have an application account, domain\App1, that needs to have full mailbox access to about 300 mailboxes. We have the list of mailboxes in a CSV file, but does anyone know a Powershell command we can use that will automatically script this access? My PS isn't that great :(<br />
<br />
Exchange 2007.
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Hi

I have an application account, domain\App1, that needs to have full mailbox access to about 300 mailboxes. We have the list of mailboxes in a CSV file, but does anyone know a Powershell command we can use that will automatically script this access? My PS isn't that great :(

Exchange 2007.

Access to multiple mailboxes via Powershell

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.