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Document history - AWS Prescriptive Guidance

Document history

The following table describes significant changes to this guide.

Change

Description

Date

Update

Corrected response time on Premium tier SLAs for P2, from 4 minutes to 4 hours.

Priority level

Response time

Resolution time

2—Impaired services with significant business impact

95% within 4 hours

95% within 8 hours

July 22, 2026

Initial publication

—

September 27, 2022