vm template:

Name: commons-jenkins-centos75-slave

Description: <not set>

Agent Workspace: <not set> 

Labels: <not set>

Region: Brazil South

Virtual Machine Size: Standard_DS3_v2

Storage Account Type: Standard_LRS

Storage Account Type:

    Create new radio button set

    <random storage account name>

Choose disks type: Unmanaged Disk

Retention Strategy: Azure VM Idle Retention Strategy

   Retention Time In Minute

   60

Shutdown Only (Do Not Delete) After Retention Time * <not set>*
Usage: Use this node as much as possible
Use Advanced Image Configurations radio button set
   Custom Managed Image
   **    Image ID: * /subscriptions/...*
OS Type: Linux
Launch Method: SSH**

error:

WARNING: Unexpected exception encountered while provisioning agent commons-jenkins-centos75-slave

com.microsoft.azure.vmagent.exceptions.AzureCloudException: AzureVMCloud: createProvisionedAgent: Deployment Failed: Microsoft.Compute/virtualMachines:commons-jenkins-centos75-slavee80d81 - BadRequest - {error={code=InvalidTemplate, message=Unable to process template language expressions for resource '/subscriptions/b9b7f3a9-452a-4ff6-8b03-ef02f98b1d30/resourceGroups/Shared/providers/Microsoft.Compute/virtualMachines/commons-jenkins-centos75-slavee80d81' at line '1' and column '2136'. 'The template variable 'imagePublisher' is not found. Please see https://aka.ms/arm-template/#variables for usage details.'}}

at com.microsoft.azure.vmagent.exceptions.AzureCloudException.create(AzureCloudException.java:37)

at com.microsoft.azure.vmagent.AzureVMCloud.createProvisionedAgent(AzureVMCloud.java:597)

at com.microsoft.azure.vmagent.AzureVMCloud$4.call(AzureVMCloud.java:843)

at com.microsoft.azure.vmagent.AzureVMCloud$4.call(AzureVMCloud.java:821)

at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)

at jenkins.security.ImpersonatingExecutorService$2.call(ImpersonatingExecutorService.java:71)

at java.util.concurrent.FutureTask.run(FutureTask.java:266)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at java.lang.Thread.run(Thread.java:748)