Amazon EC2 Reserved Instance Lease Expiration

This Recommendation identifies Amazon EC2 Reserved Instances that are approaching their lease expiration date and provides recommendations for renewal or replacement.

Overview

AWS Trusted Advisor monitors your EC2 Reserved Instance leases and identifies those that are approaching expiration. This Recommendation helps you plan for renewals or identify opportunities to optimize your Reserved Instance portfolio before leases expire.

What it identifies

EC2 Reserved Instances approaching lease expiration
Reserved Instances that have expired or will expire soon
Recommendations for renewal, modification, or replacement
Cost impact of allowing Reserved Instances to expire
Opportunities to optimize Reserved Instance coverage

Key features

Uses AWS Trusted Advisor's 1e93e4c0b5 check for Reserved Instance lease expiration
Leverages Trusted Advisor's cost estimates and recommendations
Provides dynamic titles with specific actions
Covers all EC2 Reserved Instance types and regions
Reserved Instance-level recommendations for targeted optimization

Cost impact

When Reserved Instance leases expire:

Instances continue running but lose the Reserved Instance discount
Costs increase to on-demand pricing (up to 72% higher)
May result in significant cost increases for production workloads
Opportunity to re-evaluate and optimize Reserved Instance coverage

Recommended actions

Review Reserved Instances approaching expiration
Consider renewing leases for consistent workloads
Evaluate if Reserved Instances still match current usage patterns
Consider converting to Savings Plans for more flexibility
Plan for renewal well before expiration to avoid cost spikes
Use expiration as an opportunity to optimize Reserved Instance portfolio

Timing considerations

Plan renewals 30-60 days before expiration
Consider usage patterns and workload changes
Evaluate if Reserved Instances still provide optimal coverage
Review instance types and sizes for current needs

Updated about 10 hours ago