Virtual Machines

Troubleshooting Common Issues VMs

Overview

Even with careful planning and configuration, Azure Virtual Machines can sometimes experience issues. This section covers the most common problems you're likely to encounter and provides practical solutions to get your VMs back up and running quickly.

Before You Start Troubleshooting

Enable Boot Diagnostics: Always ensure boot diagnostics are enabled on your VMs. This feature provides console output and screenshots that are invaluable for diagnosing startup issues.

Check Azure Service Health: Before troubleshooting, verify that there are no ongoing Azure service issues in your region that might be affecting your VMs.

Essential Troubleshooting Tools

Azure provides several built-in tools to help diagnose and resolve VM issues:

Tool Purpose Best For
Boot Diagnostics Provides console output and VM screenshots Startup and boot-related issues
Network Settings - Troubleshoot Diagnoses network connectivity problems RDP/SSH connection failures
Performance Diagnostics (Metrics) Analyzes VM performance and resource usage Slow performance and resource bottlenecks

Additional Resources

For comprehensive troubleshooting guidance beyond these common scenarios, explore the official Microsoft documentation:

Microsoft Azure VM Troubleshooting Documentation

The official Microsoft documentation provides detailed troubleshooting guides for hundreds of specific VM scenarios, including advanced diagnostics and recovery procedures.

Access Full Troubleshooting Documentation