{"id":"subnet-names-should-start-with-letter","text":"Subnet names should start with a letter, not a number — Application Gateway won't deploy to subnets with numeric-starting names.","truth_value":"IN","source":"entries/2026/03/10/vnet-subnets.md","source_url":"","source_hash":"65ce293e7b4bbd7b","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"subnet-names-should-start-with-letter","truth_value":"IN","reason":"premise"}]}}