---
title: "POST /#X-Amz-Target=BackupOnPremises_v20210101.StartVirtualMachinesMetadataSync"
method: POST
path: "/#X-Amz-Target=BackupOnPremises_v20210101.StartVirtualMachinesMetadataSync"
---

# POST /#X-Amz-Target=BackupOnPremises_v20210101.StartVirtualMachinesMetadataSync

`POST /#X-Amz-Target=BackupOnPremises_v20210101.StartVirtualMachinesMetadataSync`

This action sends a request to sync metadata across the specified virtual machines.

## Headers

- `X-Amz-Target` 'BackupOnPremises_v20210101.StartVirtualMachinesMetadataSync', required

## Request body

- StartVirtualMachinesMetadataSyncInput
  - `HypervisorArn` string, required — The Amazon Resource Name (ARN) of the hypervisor.

## Response `200`

Success

- StartVirtualMachinesMetadataSyncOutput
  - `HypervisorArn` string — The Amazon Resource Name (ARN) of the hypervisor.

## Other responses

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

---

[API](https://skmtc.net/aws/apis/backup-gateway.md) · [All operations](https://skmtc.net/aws/apis/backup-gateway/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/backup-gateway/versions/5f9c8ce5c0f7/schema)