Compute and web avail

Availability set naming convention

The CAF abbreviation for Availability set is avail. Names can be 1 to 80 characters long and allow alphanumerics, hyphens and underscores. The name must be unique within the resource group.

Naming rules

CAF abbreviation	avail
Length	1 to 80 characters
Allowed characters	Alphanumerics (a-z, A-Z, 0-9), hyphens, underscores
Scope of uniqueness	Unique within the resource group
CAF pattern	avail-{workload}-{environment}-{region}-{instance}

Rules follow Microsoft's resource naming rules and CAF abbreviations. Some resource types have extra start/end character restrictions, so verify against the official docs before locking in a convention.

Example names

Generated by the same engine as the name generator, so length and character rules are already applied.

Scenario	Generated name	Length
Payments API, production	`avail-payments-prod-eus-001`	27/80
Web app, development	`avail-webapp-dev-weu-002`	24/80
Analytics with company prefix	`avail-contoso-analytics-stage-uks-001`	37/80

Naming in Terraform and Bicep

Build the name from variables so one module produces the right name in every environment.

Terraform

locals {
  availability_set_name = "avail-${var.workload}-${var.environment}-${var.region}-001"
}

Bicep

var availabilitySetName = 'avail-${workload}-${environment}-${region}-001'

Generate Availability set names for your workload

Free, no login. Validation and Terraform, Bicep, or CSV export included.

Open in the generator →

Related Compute and web resources

ase App Service environment asp App Service plan lt Azure Load Testing instance arcs Azure Arc enabled server arck Azure Arc enabled Kubernetes cluster pls Azure Arc private link scope arcgw Azure Arc gateway ba Batch account

See the full list of Azure resource naming rules or read the complete CAF naming guide.