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

Microsoft Resource Kits - Windows 2003 Resource Kit

Empty.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.
Empty.exe - Empty Working Set
Empty is a command-line tool that frees the working set of a specified task or process. A working set is a subset of virtual pages resident in physical memory. Empty frees the working set of a process, making those page frames available for use by other processes