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AWS Trusted Advisor now delivers more accurate unused NAT Gateway checks powered by AWS Compute Optimizer

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This article announces enhanced unused NAT Gateway detection in AWS Trusted Advisor, powered by AWS Compute Optimizer.

  • Analyzes additional CloudWatch metrics over 32-day lookback period
  • Verifies NAT Gateway associations with route tables to reduce false positives
  • Includes estimated monthly cost savings for each recommendation
  • Helps identify and remove unused NAT Gateways incurring unnecessary charges
  • Available through Trusted Advisor console and APIs
  • Requires opt-in to Cost Optimization Hub and Compute Optimizer
  • Available in all AWS Regions supporting Trusted Advisor

The enhancement enables cost optimization teams to confidently identify idle NAT Gateways and prioritize cleanup based on financial impact.

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