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AWS: Elevated Launch Failures

  1. Investigating(done)
  2. Trending(skipped)
  3. Workaround available(skipped)
  4. Resolved(current)

Executive summary

AWS experienced elevated EC2 instance launch failures in the US-WEST-2 (Oregon) region, impacting users attempting to provision new instances. The incident has now been resolved.

Workaround available

We recommend that customers do not mutate running instances at this time

Reported inStatusevidence [4]
Official fix
Technical root cause

Under active investigation. No report has identified a root cause yet.

Evidence

7 reports · 4 Status, 3 BlueskyShow
  1. [1]
    Status First report
    Service impact: Elevated Launch Failures(opens official status page in a new tab)

    We are experiencing elevated launch failures in the US-WEST-2 Region.

    by aws status

  2. [2]
    Bluesky
    ⚠️ Amazon Web Services (AWS) is reporting an incident: Amazon Elastic Compute Cloud (Oregon): Elevated Launch Failures(opens the official status page in a new tab)

    ⚠️ Amazon Web Services (AWS) is reporting an incident: Amazon Elastic Compute Cloud (Oregon): Elevated Launch Failures Investigating: We are experiencing elevated launch failures in the US-WEST-2 Region t.lpl.dev/TRfQoN2

    by telescope.littleplanetlabs.comOpens the official status page 0upvotes 1comments95% match

  3. [3]
    Status
    Service impact: Elevated Launch Failures(opens official status page in a new tab)

    We are experiencing elevated launch failures in the US-WEST-2 Region caused by an issue with the EBS service. Services that depend on EBS or EC2 will experience failure rates of their own. We are working to mitigate the issues. We will provide you with another update by 4:00 PM PST or sooner if new information becomes available.

    by aws status100% match

  4. [4]
    Status
    Service impact: Elevated Launch Failures(opens official status page in a new tab)

    We can confirm EC2 instance launch failures affecting all AZs (usw2-az1, usw2-az2, usw2-az3, usw2-az4) in the US-WEST-2 Region. We have identified the issue to be caused by a subsystem that supports EBS Volumes required during instance launch. Services that instantiate new instances, such as cross-region data copy for DataSync, within the US-WEST-2 Region as either the source or destination are also affected. We recommend that customers do not mutate running instances at this time that would…

    by aws status100% match

  5. [5]
    Bluesky
    👻 A toast to AWS, down since Nov 6, 2026, 22:51 UTC(opens Bluesky post in a new tab)

    👻 A toast to AWS, down since Nov 6, 2026, 22:51 UTC Oh, AWS, you’ve had a launch, With Oregon's AZs in a frantic rush, EBS volumes, a puzzling hunch, Let’s hope this hiccup quickly does hush! Source: health.aws.amazon.com

    by downtimeghost.bsky.social 0upvotes 1comments87% match

  6. [6]
    Status
    Service is operating normally: [RESOLVED] Elevated Launch Failures(opens official status page in a new tab)

    Between 2:35 PM and 4:21 PM PST, we experienced elevated EC2 instance launch failures affecting all AZs (usw2-az1, usw2-az2, usw2-az3, usw2-az4) in the US-WEST-2 Region. EC2 Instance Launches, AWS services that instantiated new instances, as well as services such as DataSync or AWS Backup which require new instances to support data transfers to or from the US-WEST-2 Region were affected. Our engineers were automatically engaged and immediately began investigating the root cause. We identified…

    by aws status100% match

  7. [7]
    Bluesky
    ✅ Resolved: Amazon Web Services (AWS) - Amazon Elastic Compute Cloud (Oregon): [RESOLVED] Elevated Launch Failures(opens the official status page in a new tab)

    ✅ Resolved: Amazon Web Services (AWS) - Amazon Elastic Compute Cloud (Oregon): [RESOLVED] Elevated Launch Failures

    by telescope.littleplanetlabs.comOpens the official status page 0upvotes 0comments91% match

Timeline

  1. First report on status page

    Service impact: Elevated Launch Failures

    Source
  2. Official statement

    We are experiencing elevated launch failures in the US-WEST-2 Region.

    Source
  3. Confirmed on Bluesky post

    ⚠️ Amazon Web Services (AWS) is reporting an incident: Amazon Elastic Compute Cloud (Oregon): Elevated Launch Failures

    Source
  4. Official statement

    We are experiencing elevated launch failures in the US-WEST-2 Region caused by an issue with the EBS service.

    Source
  5. Official statement

    We can confirm EC2 instance launch failures affecting all AZs (usw2-az1, usw2-az2, usw2-az3, usw2-az4) in the US-WEST-2 Region.

    Source
  6. Workaround discovered

    Workaround reported: We recommend that customers do not mutate running instances at this time

    Source
  7. Official statement

    Between 2:35 PM and 4:21 PM PST, we experienced elevated EC2 instance launch failures affecting all AZs (usw2-az1, usw2-az2, usw2-az3, usw2-az4) in the US-WEST-2 Region.

    Source
  8. Official statement

    ✅ Resolved: Amazon Web Services (AWS) - Amazon Elastic Compute Cloud (Oregon): [RESOLVED] Elevated Launch Failures

    Source
  9. Status changed

    Status changed: investigating → resolved (official status page reports resolution).