Users receive 500-ICAP Communication Error in ProxySG deployment

Products

• Content Analysis Software - CA
• ProxySG Software - SGOS

Issue/Introduction

A 500-ICAP Communication Error response appears in a user's browser.

Resolution

Use the following troubleshooting steps to diagnose the issue:

• Examine the error response. The page contains the description of the error and additional details from the antivirus engine.
• Examine the event log messages. If the ProxySG appliance is not able to establish a connection with the Content Analysis appliance, it logs the following message: Cannot establish a connection to service.
• Examine the ProxySG appliance log files for the failure reasons. All file-scanning failures, such as timeout, file too big, and decompression errors, are logged here.

Once the cause has been determined, search support.symantec.com for a possible solution.