Welcome back to the forums.
Just to note, this is not a Centrify-related question but an O365 migration question.
Did you try the guidance from Microsoft KB-2939340? This came-up from searching the error message as the highest-relevant result:
https://support.microsoft.com/en-us/kb/2939340
More detail here: https://blogs.technet.microsoft.com/rmilne/2015/08/20/office-365-mailbox-migration-target-mailbox-doesnt-have-an-smtp-proxy-matching/
Good luck!
R.P