Root PDC as NTP server

Microsoft official Article 05/05/2023

https://learn.microsoft.com/en-us/services-hub/unified/health/remediation-steps-ad/configure-the-root-pdc-with-an-authoritative-time-source-and-avoid-widespread-time-skew

Second method – Regedit

Source

w32tm /query /source

NTP Pool Project

https://www.ntppool.org/en/

South America’s Pool

Status

w32tm /query /status

Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProviders\NtpServer
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config

Configuration

w32tm /query /configuration

w32tm /query /source
w32tm /query /status
w32tm /query /configuration
w32tm /config /syncfromflags:manual /manualpeerlist:”0.us.pool.ntp.org,1.us.pool.ntp.org”
w32tm /config /update

Update

w32tm /config /update

Test connectivity

w32tm /stripchart /computer:0.south-america.pool.ntp.org /dataonly /samples:5

w32tm /stripchart /computer:ntpserver_fqdn
net stop w32tm && net start w32tm

##### Articulo de Nov10 del 2022

https://gaultech.com/sync-time-windows-ntp-server
Microsoft official guide: KB262680

##### https://www.ntppool.org/zone/south-america

server 0.south-america.pool.ntp.org
server 1.south-america.pool.ntp.org
server 2.south-america.pool.ntp.org
server 3.south-america.pool.ntp.org

#

w32tm.exe /config /syncfromflags:manual /manualpeerlist:131.107.13.100,0×8 /reliable:yes /update
w32tm.exe /config /syncfromflags:manual /manualpeerlist:0.south-america.pool.ntp.org,0x8 /reliable:yes /update

#### Firewall allow UDP 123 traffic

###### Test Connectivity

w32tm /stripchart /computer:0.south-america.pool.ntp.org
w32tm /stripchart /computer:0.south-america.pool.ntp.org /dataonly /samples:5