This post is about how to process a Windows Server 2012 or 2016 domain controller to synchronize its time with a trusted external resource.  Having a valid and accurate time source is critical for a properly configured domain. Use your favorite search engine to locate the trusted NTP time servers for your area.  I am located in Canada and so I will be using 0.ca.pool.ntp.org 1.ca.pool.ntp.org 2.ca.pool.ntp.org 3.ca.pool.ntp.org Log into your domain controller with administrative credentials and launch a command prompt. Stop the time service: net stop w32time Enter the following to configure your NTP time servers: w32tm /config /syncfromflags:manual /manualpeerlist:"0.ca.pool.ntp.org, 1.ca.pool.ntp.org, 2.ca.pool.ntp.org, 3.ca.pool.ntp.org" and then hit Enter.  Remember to use your time servers in place of *.ca.pool.ntp.org. Let the domain controller know that these are your trusted servers: w32tm /config /reliable:yes Restart the Time Service: net start w32time Review the results: w32tm /query /configuration Ensure everything is proper and typed correctly and...