---
title: "POST /v2/update-system"
method: POST
path: "/v2/update-system"
---

# POST /v2/update-system

`POST /v2/update-system`

Updates an existing system.

## Request body

- object
  - `systemArn` string, required — ARN identifier.
  - `description` string — Resource description.
  - `sharingEnabled` boolean — Whether cross-account sharing is enabled for the system.

## Response `200`

Success

- UpdateSystemResponse
  - `system` object, required — The updated system.
    - `systemArn` string, required — ARN identifier.
    - `systemId` string, required — System ID for cross-account use without exposing account structure.
    - `name` string, required — Resource name (used in ARN — no spaces allowed).
    - `description` string — Resource description.
    - `sharingEnabled` boolean — Indicates whether cross-account sharing is enabled.
    - `tags` TagMap — Resource tags.
    - `kmsKeyId` string — KMS key identifier — accepts key ID, key ARN, alias name, or alias ARN.
    - `organizationId` string — The AWS Organizations identifier for the system.
    - `ouId` string — The organizational unit (OU) identifier for the system.
    - `createdAt` string, date-time — The timestamp when the system was created.
    - `updatedAt` string, date-time — The timestamp when the system was last updated.

## Other responses

- `480` — InternalServerException
- `481` — ResourceNotFoundException
- `482` — ValidationException
- `483` — ConflictException
- `484` — AccessDeniedException

---

[API](https://skmtc.net/aws/apis/resiliencehubv2.md) · [All operations](https://skmtc.net/aws/apis/resiliencehubv2/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/resiliencehubv2/versions/27331d252935/schema)