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PASSEDcloud / azure_vm

Azure VM Unresponsive — Guest Agent Not Running

An Azure VM is running but unresponsive. The Azure Guest Agent stopped, preventing Azure from communicating with the VM. RDP and SSH connections timing out.

Pattern
AZURE_CLOUD
Expected: AZURE_VM_FAILURE
Severity
HIGH
Confidence
68%
Remediation
Auto-Heal

Test Results

MetricExpectedActualResult
Pattern RecognitionAZURE_VM_FAILUREAZURE_CLOUD
Severity AssessmentCRITICALHIGH
Incident CorrelationN/ANone
Cascade EscalationN/ANo
RemediationAuto-Heal — Corax resolves autonomously

Scenario Conditions

Azure VM 'prod-web-01' (Standard_D4s_v3). VM status: Running. Guest Agent: Not Ready. Boot diagnostics show OS booted. RDP/SSH timeout.

Injected Error Messages (1)

Azure VM unresponsive — prod-web-01 running but Guest Agent not ready, RDP timeout, SSH timeout, boot diagnostics show OS booted normally, possible OS-level hang

Neural Engine Root Cause Analysis

Azure cloud infrastructure event detected — an Azure resource may be failing, an App Service is unhealthy, Azure AD authentication is disrupted, or a Service Bus queue is backed up. Azure outages can cascade across dependent services and affect both cloud-hosted applications and hybrid on-premises integrations relying on Azure AD.

Remediation Plan

1. Check Azure Service Health (status.azure.com) for any active incidents in your region. 2. Review Azure Monitor alerts and resource health for the affected service. 3. For App Service issues, check the Kudu console for application logs and restart the app if needed. 4. For Azure AD issues, verify conditional access policies and check the Azure AD sign-in logs for failure reasons. 5. For Service Bus, check dead-letter queues and verify the sending/receiving applications are connected and processing messages.

Improvements Applied

  • Pattern classified as AZURE_CLOUD (expected AZURE_VM_FAILURE)
  • Severity: HIGH (expected CRITICAL)
Tested: 2026-04-02Monitors: 1 | Incidents: 1Test ID: cmnhnoopu001flig7qbw1kssd