---
title: "POST /providers/Microsoft.Network/checkTrafficManagerNameAvailability"
method: POST
path: "/providers/Microsoft.Network/checkTrafficManagerNameAvailability"
---

# POST /providers/Microsoft.Network/checkTrafficManagerNameAvailability

`POST /providers/Microsoft.Network/checkTrafficManagerNameAvailability`

Checks the availability of a Traffic Manager Relative DNS name.

## Parameters

- `../../../../../../common-types/resource-management/v3/types.json#/components/parameters/ApiVersionParameter` — unresolved $ref

## Request body

- CheckTrafficManagerRelativeDnsNameAvailabilityParameters — Parameters supplied to check Traffic Manager name operation.
  - `name` string — The name of the resource.
  - `type` string — The type of the resource.

## Response `200`

The request has succeeded.

- TrafficManagerNameAvailability — Class representing a Traffic Manager Name Availability response.
  - `name` string — The relative name.
  - `type` string — Traffic Manager profile resource type.
  - `nameAvailable` boolean — Describes whether the relative name is available or not.
  - `reason` string — The reason why the name is not available, when applicable.
  - `message` string — Descriptive message that explains why the name is not available, when applicable.

## Other responses

- `default` — An unexpected error response.

## Changes

- **2026-07-13** (2015-11-01) `ad4f98d96532` — 1 warning, 1 info
  - deleted the `query` request parameter `api-version`
  - api tag `Profiles` removed
- **2026-07-13** (2015-11-01) `79b8a3200f30` — 1 info
  - api tag `Profiles` added
- **2026-07-13** (2015-11-01) `4604bae8e4a1` — 1 info
  - api tag `Profiles` removed
- **2026-07-13** (2015-11-01) `d6a6691d0483` — 1 info
  - endpoint added
- **2026-07-13** (2015-11-01) `dec9416bb402` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/azure/apis/trafficmanager-microsoft-network-trafficmanager/changes/providers/Microsoft.Network/checkTrafficManagerNameAvailability/post.md)

---

[API](https://skmtc.dev/azure/apis/trafficmanager-microsoft-network-trafficmanager.md) · [All operations](https://skmtc.dev/azure/apis/trafficmanager-microsoft-network-trafficmanager/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/azure/trafficmanager-microsoft-network-trafficmanager/revisions/ad4f98d96532/schema)