KB: Import SharePoint User Profile Pictures from Active Directory “thumbnailPhoto” attribute
Step 1) Add new import mapping for Active Directory thumbnailPhoto attribute to Picture profile property
Step 2) Start full user profile sync
Step 3) Run SharePoint PowerShell command as the User Profile Service Application account (IMPORTANT! otherwise it will end up with “Update-SPProfilePhotoStore : Object reference not set to an instance of an object” error.)
Update-SPProfilePhotoStore -CreateThumbnailsForImportedPhotos 1 -MySiteHostLocation
http://hostname/my
