Citrix Daas\CVAD and Amazon WorkSpaces Core Managed Instances | Machine Catalog Creation failure | Managed Instances Resources default visibility as "hidden".
Article ID: CTX696611
Updated On:
Description
Environment -
- CVAD and\or DAAS
- Hypervisor - Amazon WorkSpaces Core Managed Instances
Details -
- A new change was implemented in AWS per region to have managed resources hidden. Per AWS Documentation - https://aws.amazon.com/about-aws/whats-new/2026/04/ec2-managed-resource-visibility/.
- This can cause a "timeout" while using Machine Creation Services (MCS) in AWS Workspace Core.
Cause
- Managed Instances Resources change in default visibility to "hidden"
- AWS Doc - https://aws.amazon.com/about-aws/whats-new/2026/04/ec2-managed-resource-visibility/
Resolution
- Change the default visibility from "hidden" to "visible" in AWS managed Instances Resources
- NOTE - Default visibility is done per Region
Issue/Introduction
- A new change was implemented in AWS per region to have managed resources hidden. AWS Documentation - https://aws.amazon.com/about-aws/whats-new/2026/04/ec2-managed-resource-visibility/.
- This can cause a "timeout" while using Machine Creation Services (MCS) in AWS Workspace Core.
Additional Information
- https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/amazon-ec2-managed-instances.html#managed-resource-visibility-settings
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