- Plesk 12.5 for Windows
Plesk is not accessible with the following message is web browser:
ERROR: PleskMainDBException: An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full.
(Error code: 2002) (db.php:444)
TCP stack is not tuned to process high number of connections.
Create two parameters in Windows Registry:
TcpTimedWaitDelay (DWORD) = 30
MaxUserPort (DWORD) = 65534
Reboot the server