Performance Issue Diagnosis

Systematically diagnose slow system or application performance

🧪 Tested by a human Intermediate 👤 It Admin 👤 Developer 👤 Support
Help me diagnose slow performance in [SYSTEM/APPLICATION]. Walk me through: (1) Quick checks (CPU, memory, disk, network baseline), (2) Identifying the bottleneck, (3) Correlation with recent changes or events, (4) User-side vs server-side diagnosis, (5) Top 5 most common causes for this type of slowness, (6) Recommended monitoring to set up. Environment: [DETAILS].

Works on

⚡ M365 Copilot ⭐ ChatGPT (Best) 🟠 Claude

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🟢 ChatGPT 🟠 Claude

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Tips for Best Results

  • Always check if something changed recently — 80 percent of issues follow a change
  • Gather baseline metrics before declaring something slow
  • Monitor for a week after fixing to confirm resolution

📎 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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