Network Connectivity Diagnosis

Systematically troubleshoot network connectivity issues

🧪 Tested by a human Intermediate 👤 It Admin 👤 Support
Help me diagnose this network issue: [SYMPTOMS]. Walk through: (1) Client-side checks (IP, DNS, gateway), (2) Internal network checks (switches, VLAN, firewall rules), (3) External connectivity (ISP, DNS resolution, latency), (4) Application-specific checks, (5) Recent changes that might correlate. Provide commands to run at each step.

Works on

⚡ M365 Copilot ⭐ ChatGPT (Best)

Copy & Open in

🟢 ChatGPT

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Tips for Best Results

  • Start with the simplest test — can they ping the gateway
  • Check if the issue affects one user or many — this changes the diagnosis
  • Document every test result for the escalation

📎 More Prompts

Blameless Post-Incident Report

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Write a blameless post-incident report for [INCIDENT]. Include: (1) Executive summary (2 sentences), (2) Timeline of events with timestamps, (3) Impact assessment (users, revenue, SLA), (4) Root cause analysis, (5) What went well in the response, (6) What could be improved, (7) Action items with owners and deadlines. Tone: factual, constructive, forward-looking.
⚡ M365 🟢 GPT ⭐ Claude

Diagnostic Decision Tree

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Create a diagnostic decision tree for [ISSUE TYPE — network connectivity / application crash / login failure / slow performance / email delivery]. Structure as: If symptom A → check B → if yes → do C, if no → check D. Include: expected outcomes at each step, escalation triggers, and resolution confirmations. Write for a Level 1 support technician.
⚡ M365 ⭐ GPT 🟠 Claude

Email Delivery Troubleshooting

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Help me diagnose email delivery failure. Scenario: [DESCRIBE — emails not received / going to spam / bouncing / delayed]. Check: (1) Message trace in Exchange Admin, (2) SPF/DKIM/DMARC alignment, (3) Transport rules that might redirect, (4) Recipient mailbox issues, (5) IP reputation, (6) Content filtering triggers. Provide step-by-step diagnosis with Exchange admin paths.
⚡ M365 ⭐ GPT
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