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

Microsoft Resource Kits - Windows 2003 Resource Kit

RPC Ping  (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.
RPC Ping - RPC Connectivity Verification Tool
This tool confirms Remote Procedure Call (RPC) connectivity between RPC servers and clients on a network. RPC Ping checks to see if RPC services are responding to RPC requests from client computers.