Question: how to run ntp server on windows server 2019?
Answer: Step 1: Open up Registry Editor. Click on the start icon in your Server and search for “Run” application. ... 
Step 2: Go to the NtpServer Path. ... 
Step 3: Enable NtpServer. ... 
Step 4: Make the AnnounceFlags 5. ... 
Step 5: Restart NtpServer. ... 
Step 6: Open UDP port 123 in Firewall.