hi everyone, i have an urgent issue with ISA server firewall clients: when the number of firewall session attain nearly 30 the connection to internet is shut down for firewall clients in the network although the firewall service is still working correctly(no error message is notified in the events log of ISA server machine). besides, the ISA proxy clients connection to internet is slow. generally, the internet trafic attain its maximum ( i mean nearly 100% of the intrenet flow is attained)when this problem occur. if you have any idea about the cause of this problem please send it to me. thank you in advance. Houda