Subj : No buffer space available To : Bj”rn Felten From : Michael Dukelsky Date : Sun Apr 21 2024 10:36 pm Hello Bj”rn, Sunday April 21 2024, Bj”rn Felten wrote to All: BF> Since a few days back, I keep getting this error: BF> {W32 API error 10055} No buffer space available BF> It only concerns IPv4 nodes (all of them). The only way to send BF> those packages away is to start Windows in Safe Mode, and then it BF> takes just a few seconds for all of them -- sometimes up to four or BF> five; the rest of the nodes polling 2:203/0 use IPv6, fortunately. Did you try this? https://learn.microsoft.com/en-us/troubleshoot/windows-client/networking/connect-tcp-greater-than-5000-error-wsaenobufs-10055 https://answers.microsoft.com/en-us/windows/forum/all/internet-connection-lost-socket-error-10055/07c03b68-56ae-4872-abed-2073e4d81bab You may also check for malware. And run `netstat -b` to see the programs with established connections. Michael .... node (at) f1042 (dot) ru --- GoldED+/LNX 1.1.5-b20240309 * Origin: Moscow, Russia (2:5020/1042) .