At my work, most ports including the one used by the Internet Time sync are blocked by a firewall. Some systems (especially those with bad CMOS batteries) need to have the clock set before Windows Update works, so I wrote this for our software toolkit. Any changes, corrections, or criticisms welcome. I am always looking to improve my code! #RequireAdmin #include<Date.au3> ; For the ActiveTimeBias registry key: ; 4294967296 = 0 for UTC +X:YZ time zones; subtract value of key to g