KnowledgeBase Articles for Cloud Agent

Did you know that most routine support questions can usually be answered by reviewing our existing KnowledgeBase Articles?

Top 10 KnowledgeBase Articles

Here are the top 10 most viewed articles for Cloud Agent from Qualys KnowledgeBase:

 Troubleshoot Cloud Agent Error 12175 on a Windows machine

This article addresses the SSL handshake failure (WinHTTP 12175), caused by missing trusted CA certificates, absent TLS 1.2 support, or disabled cipher suites. It offers clear remediation steps—installing Qualys certs, enabling TLS 1.2, activating appropriate ciphers, and adjusting proxy settings.

 Error 12002: Agent not Checking-in

This article addresses a common Qualys agent issue where DNS resolution succeeds, but the agent fails to connect—typically due to timeouts when reaching Qualys’ cloud servers. It examines causes like network delays, proxy configurations, and firewall restrictions, offering diagnostic steps and remediation advice to restore proper agent‑server communication.

  Cloud Agent Vulnerability Scan Report

This article guides Qualys administrators in generating vulnerability reports for Cloud Agent findings. It details logging into Vulnerability Management, creating a new scan‑report template, selecting agent‑tracked assets (via tags or IPs), enabling Agent Data under Findings, adjusting display/status filters, choosing PDF output, and then running or scheduling the report.

  Connect Cloud Agent to Qualys Gateway Service (QGS)

This article explains how to configure Qualys Cloud Agents to connect through the Qualys Gateway Service (QGS). It outlines a simple three‑step process—setting the agent’s proxy to point to QGS and verifying connectivity—enabling agents to communicate securely via the gateway.

  Scanning in Microsoft Azure using Azure Resource Manager

This article details deploying a Qualys Virtual Scanner Appliance into Microsoft Azure via Azure Resource Manager. It enables scanning both cloud-based VMs and on‑premises systems using Azure‑VM integrations. The article covers setup, artifact collection, scheduling scans, region‑specific data routing, and automation options like ARM templates, PowerShell, Logic Apps, and REST API.

  How to Troubleshoot No Host Alive Issues for EC2 Scans

This article helps diagnose failed EC2 vulnerability scans where no hosts are detected. It reviews common causes—including misconfigured credentials, improper AWS region settings, missing permissions, and agent or network issues—and offers step-by-step troubleshooting tips to ensure accurate EC2 instance discovery.

  Detection logic for Active check QID 82054

This article explains the detection methodology behind QID 82054, a Qualys Active check. It clarifies how the scanner identifies vulnerabilities without launching real attacks, outlines detection steps, and addresses reported false positives—helping users understand accuracy and troubleshoot detection anomalies.

  Cloud Agent vs. Authenticated Scan detection

This article explains how to view and verify vulnerability checks supported by the Qualys Cloud Agent. It guides users to navigate VMDR/VM → KnowledgeBase, search for agent-supported QIDs, and confirm whether specific vulnerabilities or checks are enabled for their environment.

  Cloud Agent files that Qualys Support might need to review while troubleshooting

This article outlines essential Cloud Agent log files and their default locations that Qualys Support may request during troubleshooting. It lists files like qualys_cloud_agent.log, meta_data.json, and diagnostic archives under %PROGRAMDATA%\Qualys\Qualys Agent\ to streamline issue analysis and support collaboration.

  Deploy Qualys Cloud Agent for Windows using Group Policy

This article walks through deploying the Qualys Cloud Agent on Windows systems via Active Directory Group Policy. It covers creating MSI-style installation packages, configuring installation settings, targeting machines, and ensuring correct agent behavior—all designed for seamless, centralized deployment across enterprise environments.