Hi, All ! ISA Server periodically crash with following error messages in System Log: EventID: 7031 The Microsoft Web Proxy service terminated unexpectedly. It has done this 2 time(s). The following corrective action will be taken in 0 milliseconds: No action. and Application Log: EventID: 14079 Due to an unexpected error, the service w3proxy stopped responding to all requests. This occured 1 time(s) in the past 0:01 hours. Try to stop the service or kill the corresponding process if it does not respond, and start it again. Check the Event Viewer for related error messages. Restart service, reboot computer has no effect. Reinstall ISA on fully another computer, but this trouble is repeat again. Help me ! Valery.