Guide to disable EWS Throttling for a user (Exchange 2013)

To disable throttling limits for migration account MigAccount, please do the following:

  1. Open Exchange Management Shell (EMS) on exchange server or connect via PowerShell

  2. Enter the following command:
    New-ThrottlingPolicy MigrationPolicy

  3. Enter the following command:
    Set-ThrottlingPolicy MigrationPolicy -RCAMaxConcurrency Unlimited -EWSMaxConcurrency Unlimited -EWSMaxSubscriptions Unlimited -CPAMaxConcurrency Unlimited -EwsCutoffBalance Unlimited -EwsMaxBurst Unlimited -EwsRechargeRate Unlimited

  4. Enter the following command:
    Set-Mailbox "MigAccount" -ThrottlingPolicy MigrationPolicy



Exchange 2010 uses other parameters. Please refer to our Guide for Exchange 2010