Guide to disable IMAP Throttling for a user (Exchange 2013/2016)

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 -ImapMaxConcurrency Unlimited -ImapMaxBurst Unlimited -ImapRechargeRate Unlimited -ImapCutoffBalance Unlimited -CPAMaxConcurrency Unlimited

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

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