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The server cannot service this request right now.

Last Update: 11/30/2016 3:42 PM

The server cannot service this request right now.

Answer:

 

Exchange Web Services reported that a mailbox cannot be accessed because of throttling limits imposed by Exchange.

Check the error to determine if it was reported for the Source or Destination system.

​If migrating from or to Office 365​, enable impersonation to reduce the effect of throttling.

If migrating from or to Exchange 2010 or later, and you have control ​over the email system, disable the Exchange throttle policy.

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