resolvent:

1. Open the registry: Ctrl + R, enter regedit
2, enter – Computer \ HKEY_ LOCAL_ 3. Create a new DWORD value, name:TcpTimedWaitDelay , value:30 (decimal) set to 30 seconds
4. Create a new DWORD value, name:MaxUserPort , value:65534 (decimal) maximum number of connections 65534

If there is still a problem after modification, restart the machine and the problem disappears.