Home Technical Support Common Technical Issues

Common Technical Issues

Last updated on Jan 27, 2026

🚀 Quick Summary:

  • 🌐 Use Chrome/Firefox browsers

  • 🧽 Clear cache for access issues

  • 🛡️ Check firewall settings

  • 🚫 Disable VPN if needed

  • 📶 10+ Mbps internet recommended

  • 🔑 Password reset via email

🧪 Most Common Issue: Lab Access

Lab access issues often stem from network/browser settings, not platform problems:
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🌐 Browser Compatibility

  • ✅ Use supported browsers: Chrome and Firefox

  • 🧽 Clear browser cache and cookies - outdated session data blocks authentication

  • ⚙️ Ensure JavaScript is enabled

  • 🚫 Check that ad blockers aren't interfering
    ​

🛡️ Network Troubleshooting

  • 🏢 Corporate networks: Verify firewall rules allow our cloud connections

  • 🚫 VPN issues: Temporarily disable to identify routing problems

  • 📶 Connection quality: Ensure stable internet access
    ​

🎬 Video Playback Issues

Typically related to bandwidth or browser capabilities:

  • 📶 Bandwidth requirements: 10+ Mbps for optimal HD streaming

  • 🔄 If experiencing buffering:

    • 📉 Reduce playback quality setting

    • ⏰ View during off-peak hours (less network congestion)

  • 📺 Streaming-only design ensures most current content

  • 🚫 No downloads available - always up-to-date materials

🔑 Account Access Problems

Often simple issues with easy solutions:

📞 Password Reset

  • 📧 Process sends instructions to registered email, Email subject line - "Confirmation of Course Enrollment''

  • ⏰ Didn't receive the email within minutes? Check spam folder

  • 🏢 Organizational filters sometimes miscategorize automated messages

✉️ Email Verification

  • ⚠️ Required for account activation

  • ✅ Ensure you've completed this step after registration
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🔒 Account Lockout

  • 📞 Multiple failed attempts? Contact support for recovery

  • 🔒 We follow industry leading security best practices to protect your account

🎬 Course Access Issues

  • After enrolling, check your inbox for "Confirmation of Course Enrollment" – this email contains instructions to schedule your start date. Since the course includes 60 days of lab access, you choose when to begin.

  • Haven't received it? Check your spam folder first, then contact support.

🏷️ How to Reset Lab Machines

  • You can refresh the exercise page and follow the instructions below. Please note that you will lose the data. Make sure you have already backed up your data.

  • Click the Reset my environment button, and a pop-up will appear. Read it carefully and click Yes, Reset my environment. The machine will then provision.

✅ Whitelist these domains (and subdomains) and open ports 80 and 443 (HTTP/HTTPS, websocket):

💡 Pro Tip: Most issues have simple solutions - try basic troubleshooting first!

Common problem

Q1: My GitLab / Dojo / Prod / Docker can’t be accessed

A: Please ensure the following:

  • Stable internet connection and try to open the platform again.

  • Labs environment machine are properly provisioned (Not Red).

  • Please reload or reset the lab and try doing the lab exercise again.

  • If the issue persists, please contact the support team.