Na criação da VM dentro do recurso recebi a seguinte mensagem de erro:
{"error":{"code":"InvalidTemplateDeployment","message":"The template deployment failed with error: 'The resource with id: '/subscriptions/fb2a6651-a97b-44a6-aefd-22f653baf158/resourceGroups/labazcli/providers/Microsoft.Compute/virtualMachines/MyVm1' failed validation with message: 'The requested size for resource '/subscriptions/fb2a6651-a97b-44a6-aefd-22f653baf158/resourceGroups/labazcli/providers/Microsoft.Compute/virtualMachines/MyVm1' is currently not available in location 'westus' zones '' forsubscription 'fb2a6651-a97b-44a6-aefd-22f653baf158'. Please try another size or deploy to a different location or zones. See https://aka.ms/azureskunotavailable for details.'.'."}}
Acredito que a imagem não esteja mais disponível na região do recurso criado.