With IPHost Network Monitor you can run WMI Request Error Events Raised Per Sec monitoring of various devices in your network.
To create a WMI monitor for Request Error Events Raised Per Sec, provide host name (it must be a Windows host) and specify custom WQL query:
Number of runtime error events per second.
ASP.NET application performance counters
IPHost Network Monitor is an advanced and easy tool for monitoring LAN and WAN networks, network servers, workstations and TCP/IP devices. Use IPHost Network Monitor to monitor your servers, domains, computers and devices.