Forum Discussion
Connection Refused at TCP/IP Level
Guys, i have a web application running on Windows 2025. Occasionally, the application experiences bursts of over 500 simultaneous connections. Even though, the server showing less than 10% CPU utili...
Windows has internal limits on the number of concurrent TCP connections, particularly in the context of ephemeral ports and TCP connection states. Default ephemeral port range and TIME_WAIT handling can cause connection failures if overwhelmed.
300 concurrent connections trying to establish is not a huge number, my server has very little load, yet connections are refused.
