AutomaticTime (Windows Configuration Designer reference)

Use these settings to configure automatic time updates.

Applies to

Settings Desktop editions Mobile editions Surface Hub HoloLens IoT Core
NTPRegularSyncInterval X
NTPRetryInterval X
NTPServer X


Set the regular sync interval for phones that are set to use Network Time Protocol (NTP) time servers. Select a value between 1 and 168 hours, inclusive, The default sync interval is 12 hours.


Set the retry interval if the regular sync fails. Select a value between 1 and 24 hours, inclusive.


Change the default NTP server for phones that are set to use NTP. To enumerate the NTP source server(s) used by the NTP client, set the value for NTPServer to a list of server names, delimited by semi-colons.


The list should contain one or more server names. The default NTP source server value is