Yes, it is the only account in the outlook profile.
AntiVirus = McAfee VirusScan Enterprise 8.8.
It makes no difference with the antivirus enabled or not and there are no, out of the ordinary, entries in the antivirus logs.
Email Scanning is always turned off.
Even applying an exception to ignore the axigen PST files, and folders, makes no difference.
Outlook 2013 and 2016 have been confirmed to function as expected with the same setup and configuration.
Only Outlook 2010 has been affected by the 10.2 upgrade (where 10.1 worked as expected).