A few users had reported Outlook 2003 Shared Calendar issues when migrating to Exchange 2010. Although Outlook 2003 is “Supported” on Exchange 2010 there are a few issues. The most annoying one I came across was the inability to open more than about 5 shared calendars or mailboxes. Users get a misleading error “The connection … Continue reading Outlook 2003 Shared Calendar issues when migrating to Exchange 2010