A SysOps administrator is using AWS CloudFormation StackSets to create AWS resources in two AWS Regions in the same AWS account. A stack operation fails in one Region and returns the stack instance…

The correct answer is B. The CloudFormation template is trying to create a global resource that is not unique. Common reasons for stack operation failure Problem: A stack operation failed, and the stack instance status is OUTDATED. Cause: There can be several common causes for stack operation failure. The template could be trying to create global resources that must be unique but…

Submitted by ricky.ec· Mar 30, 2026Deployment, Provisioning, and Automation

Question

A SysOps administrator is using AWS CloudFormation StackSets to create AWS resources in two AWS Regions in the same AWS account. A stack operation fails in one Region and returns the stack instance status of OUTDATED. What is the cause of this failure?

Options

AThe CloudFormation template changed on the local disk and has not been submitted to
BThe CloudFormation template is trying to create a global resource that is not unique.
CThe stack has not yet been deployed to the Region.
DThe SysOps administrator is using an old version of the CloudFormation API.

How the community answered

(18 responses)

A
6% (1)
B
78% (14)
C
6% (1)
D
11% (2)

Explanation

Common reasons for stack operation failure Problem: A stack operation failed, and the stack instance status is OUTDATED. Cause: There can be several common causes for stack operation failure. The template could be trying to create global resources that must be unique but aren't, such as https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/stacksets- troubleshooting.html

Topics

#CloudFormation StackSets#OUTDATED stack status#global resource uniqueness#multi-region deployment

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