ARM

Azure ARM deployment failed because the template deployment is invalid

Code=InvalidTemplateDeployment

Azure Resource Manager rejected the deployment because the template deployment itself is invalid, usually due to underlying template validation issues.

InvalidTemplateDeploymentdeployment

Observed message

Code=InvalidTemplateDeployment

Why it happens

The deployment wraps one or more template validation problems.
Nested deployment content is invalid or incomplete.
Template inputs or structure are not valid for the target deployment scope.

How to fix it

Inspect nested deployment details and inner errors rather than stopping at the wrapper code.
Validate the template body and deployment inputs for the failing scope.
Correct the underlying invalid template issue and rerun the deployment.

Official reference

Microsoft Learn: Common Azure deployment errors

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