Tag: exchange migration

  • Outlook offline address book (OAB) fails to download after Exchange upgrade

    Everything went swimmingly (mostly) performing an upgrade of Exchange 2013 to 2019 except for the OAB on existing Outlook profiles. Oddly enough, reprofiling fixes the issue, but with logs of mapi profiles to configure,n that was not an option. [the issue] Microsoft Outlook (most versions) show the following error when manually attempting to update the…