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Veeam Availability Orchestrator 1.0
RESTful API Reference

Undo Failover

You can perform an undo operation for a failover plan in the FAILOVER state.


To power off running VM replicas on target hosts and roll back to initial state of VM replicas, send the POST HTTPS request to the URL of the /FailoverPlans/{id}/Undo resource:

HTTP Request

POST https://<hostname>:<port>/v1/FailoverPlans/{id}/Undo

Request Headers

The request header must contain the authorization token for the current logon session.


The server returns the following response to the client.

Response Code

A successfully completed operation returns response code 200 Success.

Response Headers

The response to this request contains the following headers. The response may also include additional standard HTTP headers.




The length of the response body.


The media type and syntax of the request body message: application/json; charset=utf-8

Example Undo Failover

The following example performs an undo operation for the failover plan with the ed1e67cf-f059-4722-bf2e-08f016d0b7b8 ID.


POST https://uwin2012r2.n.local:9899/v1/FailoverPlans/ed1e67cf-f059-4722-bf2e-08f016d0b7b8/Undo


Request Header:

Authorization: Bearer <Access-Token>



200 Success


Response Body:

no content

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