ActiveXperts Network Monitor 2019 proactively manages network servers, devices, databases and more.

Microsoft Resource Kits - Windows 2003 Resource Kit

Wlbs_hb.dll & Wlbs_rc.dll  (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.
Wlbs_hb.dll & Wlbs_rc.dll - Windows Load Balancing Server Network Monitor Parsers
Windows Load Balancing Server Network Monitor Parsers