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Are you trying to change for one single user or for list of users ?
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Are you trying to change for one single user or for list of users ?

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<div class="content wysiwyg-content">
Hello all,<br />
<br />
I need to change the mailbox primary smtp address in Exchange 2010 with powershell. I did try through the Exchange Management console but get an error Initialization Failed. The WWW Publishing Service isn't running. Thanks for your help
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</div>


Hello all,

I need to change the mailbox primary smtp address in Exchange 2010 with powershell. I did try through the Exchange Management console but get an error Initialization Failed. The WWW Publishing Service isn't running. Thanks for your help

How to change mailbox primary smtp address in Exchange 2010 with 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.