AWS EC2
Cloud
Resolving…
Service is operating normally: [RESOLVED] Increased Error Rates
ResolvedBetween August 18 5:00 PM and August 19 11:00 AM PDT, we experienced elevated errors launching EC2 instances in a newly launched Availability Zone (euw2-az4) in the EU-WEST-2 Region. After the new Availability Zone launch, we began experiencing errors when using a default VPC. We discovered the root cause of the issue on August 19 at 9:00 AM and began deploying a change to resolve the issue at ...
Location:
United Kingdom (GB)
Started:
2026-08-19 08:15 UTC
(20h ago)
Updated:
2026-08-19 11:47 UTC
(17h ago)
Resolved:
2026-08-19 11:47 UTC
(17h ago)
2026-08-19 10:03 UTC
(18h ago)
:
On August 18 we launched a new Availability Zone (euw2-az4) in the EU-WEST-2 Region. After the launch, we began experiencing errors launching EC2 instances in the new Availability Zone when a default subnet is not present. We can confirm that existing running instances and resources are not affected. Workflows that automatically get a list of Availability Zones in the Region via the DescribeAva...
2026-08-19 08:15 UTC
(20h ago)
:
We are investigating an issue that is impacting launching new EC2 instances and resources in a newly launched Availability Zone (euw2-az4) in the EU-WEST-2 Region. During this time, affected customers may experience issues when creating or modifying resources in the Region. Other AWS services may also be impacted. For immediate recovery, we recommend that customers use alternative Availability ...