ActiveXperts Network Monitor 2015 proactively manages network servers, devices, databases and more.

Microsoft Resource Kits - Windows 2003 Resource Kit

Timezone.exe  (Windows 2003 Resource Kit)

The Window Server 2003 Resource Kit is a set of tools that system administrators and engineers use to manage or support a Windows Server 2003 system. Use it to streamline management tasks such as troubleshooting operating system issues, managing Active Directory, configuring networking and security features, and automating application deployment.
Timezone.exe - Daylight Saving Time Update Utility
This command-line tool updates the daylight saving information for the current time zone in the registry. In some countries and regions, the start and end of daylight saving time are changed every year, and there is no fixed start or end date.