Set maximum domain password age in Windows 2008

You're looking to change the password complexity setting you found in the "Default Domain Policy", not the local group policy. Then do a "gpupdate" and you'll see the change take effect.

Open Group Policy Management Console (Start / Run / GPMC.MSC), open the Domain, and right-click and Edit the "Default Domain Policy". Then dig into the "Computer Configuration", "Windows Settings", "Security Settings", "Account Policies", and modify the password complexity requirements setting.

Editing the "Default Domain Policy" is definitely a quick-and-dirty thing to do. The better thing to do, once you get a better handle on group policy management, would be to return the default back to default settings and make a new GPO overriding the default with the settings you want. To get you by fast, though, editing the default isn't going to hurt you.

The command tzutil.exe is available on Windows 7 / 2008

TZUTIL </? | /g | /s TimeZoneID[_dstoff] | /l>

Parameters:
    /? Displays usage information.

    /g Displays the current time zone ID.

    /s TimeZoneID[_dstoff]
       Sets the current time zone using the specified time zone ID.
       The _dstoff suffix disables Daylight Saving Time adjustments
       for the time zone (where applicable).

    /l Lists all valid time zone IDs and display names. The output will
       be:
           <display name>
           <time zone ID>

Examples:
    TZUTIL /g
    TZUTIL /s "Pacific Standard Time"
    TZUTIL /s "Pacific Standard Time_dstoff"

To set to UTC use a command like TZUTIL /s "UTC".