You converted an auto mode VPC network to custom mode. Since the conversion, some of your Cloud Deployment Manager templates are no longer working. You want to resolve the problem. What should you do?

The correct answer is D. Explicitly reference the custom mode networks in the Deployment Manager templates. After you convert an auto mode network to custom mode, you must review all API calls and gcloud commands that implicitly reference any subnet that was automatically created while the network was in auto mode. API calls and commands will need to be modified so that they…

Submitted by brentm· Apr 18, 2026Implementing a Google Cloud network

Question

You converted an auto mode VPC network to custom mode. Since the conversion, some of your Cloud Deployment Manager templates are no longer working. You want to resolve the problem. What should you do?

Options

AApply an additional IAM role to the Google API's service account to allow custom mode networks.
BUpdate the VPC firewall to allow the Cloud Deployment Manager to access the custom mode
CExplicitly reference the custom mode networks in the Cloud Armor whitelist.
DExplicitly reference the custom mode networks in the Deployment Manager templates.

How the community answered

(19 responses)

A
16% (3)
B
5% (1)
C
5% (1)
D
74% (14)

Explanation

After you convert an auto mode network to custom mode, you must review all API calls and gcloud commands that implicitly reference any subnet that was automatically created while the network was in auto mode. API calls and commands will need to be modified so that they https://cloud.google.com/vpc/docs/using-vpc#switch-network-mode

Topics

#VPC Networks#Custom Mode VPC#Deployment Manager#Subnets

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