RA Mail Agent tabs are not visible after upgrading to AWA 12.2

Document ID : KB000117516
Last Modified Date : 12/10/2018
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After upgrading to AWA version 12.2 and loading in the new RA Mail Agent solution, there are no Mail Agent tabs visible on Mail Connection strings or Jobs. 
There is no upgrade process for the Mail Solution; the existing jobs and connections are not automatically upgraded after loading the new Agent solution.
Recreate the RA Mail Agent jobs and connection objects.