Override published sync interval

By default, Outlook follows the sync interval specified by the Internet Calendar publisher and Internet Calendar subscriptions will not be sync'd more often than allowed by the Internet Calendar publisher. This setting allows you to prevent users from overriding the sync interval published by Internet Calendar publishers.

Supported on: At least Windows 7
Registry Pathsoftware\policies\microsoft\office\15.0\outlook\options\webcal
Value Nameignorettl
Enabled Value1
Disabled Value0


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