Child 4800: Encountered too many errors on Plesk 8.6 for Windows

If you are using a windows 2003 server, apache, this error pops out from the ssl.log files

An operation was attempted on something that is not a socket. : Child
4800: Encountered too many errors accepting client connections. Possible causes:
dynamic address renewal, or incompatible VPN or firewall software. Try using the
Win32DisableAcceptEx directive.

Solution:



Switch Plesk Control Panel to IIS.



Run the following from the command prompt:



"%plesk_bin%\reconfigurator.exe" --switch-plesk-web-server --new-provider=iis