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Author's question has been answered. Closing ticket and assigning points.
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Author's question has been answered. Closing ticket and assigning points.

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By default 20 mailboxes are concurrent moves to cloud from On-Premises. And we can extend through PowerShell by <br />
<br />
Set-MigrationEndPoint &lt;Identity&gt; –MaxConcurrentMigrations &lt;value between 1 and 100&gt;<br />
<br />
Using On-Premise Exchange 2013 Enterprise on Physical Hardware. <br />
<br />
<br />
<b>Question is:</b><br />
<br />

<ul>
<li>How much we can Maximize Concurrent Migrations according to best practice?</li>
<li>What would be the best number to stick with also we're using script to move mailboxes to cloud..</li>
</ul>
<ul>
<li>If we need to extend the limit, Would it be after starting the migration or we need to extend prior to start migration batch?</li>
</ul>
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By default 20 mailboxes are concurrent moves to cloud from On-Premises. And we can extend through PowerShell by 

Set-MigrationEndPoint <Identity> –MaxConcurrentMigrations <value between 1 and 100>

Using On-Premise Exchange 2013 Enterprise on Physical Hardware. 


Question is:

How much we can Maximize Concurrent Migrations according to best practice?
What would be the best number to stick with also we're using script to move mailboxes to cloud..
If we need to extend the limit, Would it be after starting the migration or we need to extend prior to start migration batch?


Office 365 hyrbid mailbox move Concurrency and best practice

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

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.