Mailbox migration times out when going from Exchange OnPrem to O365

ISSUE: When attempting to migrate an onPrem User mailbox from Exchange 2013 to O365, the following error is generated and the migration fails: The request channel timed out while waiting for a reply after 00:00:00.0012345. Increase the timeout value passed to the call to Request or increase the SendTimeout value on the Binding. The time…

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