Exchange 2010 - Outlook 2010 Personal Archive not visible

Symptom
After enabling a user for a personal archive, the archive does not show through outlook 2007 or 2010 but can be accessed via Outlook Web Access (OWA)

Resolution
Something that is not clearly stated on Technet is that only certain versions of Outlook / Office 2010 are supported with Exchange 2010 Personal Archive.
REF:
http://office.microsoft.com/en-us/outlook-help/license-requirements-for-personal-archive-and-retention-policies-HA102576659.aspx?CTT=5&origin=HA101830421

Outlook retail licenses

Supported	Not supported
Outlook 2010 stand-alone Outlook 2007* stand-alone Outlook 2007* included with Microsoft Office Ultimate 2007	Outlook 2010 included with Microsoft Office Home and Business 2010 Outlook 2010 included with Microsoft Office Professional 2010

Outlook volume licenses

These licenses are available through volume licensing only. For more information, see Microsoft Volume Licensing Programs.

Supported	Not supported
Outlook 2010 stand-alone Outlook 2010 included with Microsoft Office Professional Plus 2010 Outlook 20071 stand-alone Outlook 20071 included with Microsoft Office Professional Plus 2007 Outlook 20071 included with Microsoft Office Enterprise 2007	Outlook 2010 included with Microsoft Office 2010 Standard2 Outlook 2007 included with Microsoft Office 2007