Do Windows Vista už nemůžete instalovat ActiveSync, musíte pracovat s Windows Mobile Device Center.
Link: http://www.microsoft.com/downloads/info.aspx?na=22&p=4&SrcDisplayLang=en&SrcCategoryId=&SrcFamilyId=&u=%2fdownloads%2fdetails.aspx%3fFamilyID%3d83d513ea-9df9-4920-af33-3a0e2e4e7beb%26DisplayLang%3den