There is an ICAP communication error
Error: Cannot establish connection to service
The ProxySG cannot communicate with the ProxyAV
Troubleshooting ICAP Communication Errors
An icap_communication_error means a network error occurred while the ProxySG was attempting to communicate with the ProxyAV. Please perform the following items to diagnose the issue:
IMPORTANT: When you open Alertlogfile.log using the option View log file in browser, the complete file might not be displayed, as the file is usually is too big to be displayed on the browser. Use a text editor to open the log file directly to see all the error messages. The latest error messages are logged at the bottom of the file.
For help configuring your settings, please refer to the ProxyAV documentation found at http://hypersonic.bluecoat.com/ .