The name limit for the local computer network adapter

One of the hyper-v cluster node became out of tcp sockets. We can’t move or upday node or VMs under it. BTW,don’t think that this socket trouble is hyper-v related. You deserve to accomplish any kind of windows server 2008/2012 machine.

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Anyway, I started to investigate.the server had over 20k timewait relationships.C:>netstat -ano | discover /c “TIME_WAIT”20150

Most of the relationships were TCP 80.. strange tbelow is no IIS under it and it is running with mechanism PID :)C:>netstat -ano | findstr “TIME_WAIT” | more

TCP x.x.x.x:33023 TIME_WAIT 0 TCP x.x.x.x:33023 TIME_WAIT 0 TCP x.x.x.x:33023 TIME_WAIT 0 TCP x.x.x.x:33023 TIME_WAIT 0 TCP x.x.x.x:33023 TIME_WAIT 0 TCP x.x.x.x:33023 TIME_WAIT 0

As it is a mechanism process. tried my luck. To understand also better whats going on TCP 80 .. It is a module of microsoft, WSMAN!!!netsh http display servicestateServer session ID: FF00000A20000002 Version: 1.0 State: Active Properties: Max bandwidth: 4294967295 Timeouts: Entity body timeout (secs): 120 Drain entity body timeout (secs): 120 Request queue timeout (secs): 120 Idle link timeout (secs): 120 Header wait timeout (secs): 120 Minimum sfinish price (bytes/sec): 150 URL groups: URL team ID: FE00000A40000002 State: Active Research queue name: Research queue is unnamed. Properties: Max bandwidth: inherited Max connections: inherited Timeouts: Timeout worths inherited Number of registered URLs: 3 Registered URLs: HTTP://+:80/WSMAN/ HTTP://+:5985/WSMAN/ HTTP://+:47001/WSMAN/

I had to increase the dynamic port range of the server in order to relocate VMs under it. Due to the fact that no management company can talk to each various other. Also DNS isn’t functioning.So, Windows Server default dynamic port count is 16384C:>netsh int ipv4 show dynamicport tcp

Protocol tcp Dynamic Port Range---------------------------------Start Port : 49152Number of Ports : 16384

Change the port array something you like. Later on, every little thing must occupational. You have the right to open up brand-new relations. When you have actually your work-related done, reboot the server because old “time waits” constantly stays tbelow :)C:>netsh int ipv4 set dynamicport tcp start=30000 numberofports=30000Ok.

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This problem have the right to happen any home windows machine which requirements socket intensive interaction. I just try to provide you an example of what I met. So, home windows file servers, windows application servers, or you ms-sql servers which have the right to receive lots of tcp connections may challenge this problem.

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