Configure Windows as a Local NTP Time Server
Open the Registry and navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time Nearly all of the configuration will take place here First setup the AnnounceFlag to tell the network you are a time server HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config Edit AnnounceFlags Edit Hexadecimal, Value = 5 (This value announces there is an NTP Time Server on the Network) Now we need to configure the server values HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters Edit Type Edit Data, Value = NTP (This value sets the Time Server type as NTP) HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProviders\NtpServer Edit Enabled Edit DWORD Value = 1 (This value enables the NTP Server Function) HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters Edit NtpServer Edit Data, Value =