How can I troubleshoot Azure ARM template validation errors?

azure azure-resource-manager
awl picture awl · Jun 6, 2016 · Viewed 33.4k times · Source

I have made some small changes to an Azure ARM template file and now when I try to deploy or validate via the xplat cli I get this message.

error: InvalidTemplateDeployment : The template deployment 'fakedDeploymentName' is not valid according to the validation procedure. The tracking id is '\some kind of GUID here\'. See inner errors for details. Please see http://aka.ms/arm-deploy for usage details.

error: PreflightValidationCheckFailed : Preflight validation failed. Please refer to the details for the specific errors.

I would love to troubleshoot this problem, but I don't see any "inner errors" on the console. It even gives me a unique GUID each time, implying that I could use this GUID to look up a more informative message. Where can I view a more detailed error? (not looking for help on the real source of the error yet)

Answer

Robert Newby picture Robert Newby · Aug 17, 2016

Log into the azure portal portal.azure.com.

Open the Activity log

Find the record with Operation Name of Validate in the list of activities. It should have a red exclamation mark because it failed.

Click on it that record. Then click on the JSON tab at the bottom. Get reading and somewhere deep down in returned Json you might find an error in the statusMessage such as "The storage account named helloworld is already taken."

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