How to improve migration performance when migrating to an on-premise Exchange 2013 or Exchange 2016 server

1.) Open an Exchange Management Shell

2.) Run the following cmdlets:

New-ThrottlingPolicy MigPolicy


Set-ThrottlingPolicy MigPolicy -RCAMaxConcurrency Unlimited -EWSMaxConcurrency Unlimited -EWSMaxSubscriptions Unlimited -CPAMaxConcurrency Unlimited -EwsCutoffBalance Unlimited -EwsMaxBurst Unlimited -EwsRechargeRate Unlimited

 

Set-Mailbox MigAdmin -ThrottlingPolicy MigPolicy

Where 'MigAdmin' is the name of your migration admin account.

3.) Restart the Exchange Transport Service to activate the the new throttling policy settings.

Trevor Taegder
Senior Technical Support Engineer
Quest | Support