Do not remind users to update calendars when Windows time zone definition updated

By default, Outlook prompts users to fix their appointments, meetings, and reminders when the Windows time zone definition for their time zone is changed. This setting allows you to prevent Outlook from automatically prompting the user when the time zone is updated by Windows Update.

Supported on: At least Windows Vista
Registry HiveHKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
Value NameDisableTimeZoneAutoPrompt
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

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