Outlook 2016 shared contacts not updating infofit online dating
Since you are using rpc over http then online mode should work just fine. Try disabling the cache mode and also Disable offline. Then again enable cache mode and enable offline this should created a new OST(make sure you are not pointing to same ost). If you are not comfortable doing the above steps..the existing profile and created a new profile even this would create a new ost file.
This is only effecting 1 user out of 5 and the other 4 aren't having any issues and all 5 machines are configured the same.If you are making use of shared calendars in Outlook 2016 you may find that not all appointments are showing in the calendar or are disappearing.