i installed ISA (stand alone)server in the windows2000 server successfully. the server has two network interfaces, 192.168.0.0 is our network address and 192.168.0.5 is assigned to one interface and 202.62.84.252 public ip is assigned to another interface and running ISA server. more than 50 users are connected to this ISA server without any problem but i am getting error message that application log is full. the following is the error message generating continuously..... 1). The ISA Server services cannot create a packet filter 205.188.165.121. This event occurs when there is a conflict between the Local Address Table (LAT) configuration and the Windows 2000 routing table. Check the routing table and the LAT to find the source of the conflict. 2). The ISA Server services cannot create a packet filter 216.136.172.222. This event occurs when there is a conflict between the Local Address Table (LAT) configuration and the Windows 2000 routing table. Check the routing table and the LAT to find the source of the conflict. srinivas Hyderabad, india