---
alias: user-guide-unterminate-experiment-definition
description: "This documentation details the process of undoing an experiment definition’s termination"
---

# Unterminate Experiment Definition

:lock: ExperimentDefinition.**Unterminate**

## Overview

This operation is used to Unterminate an **Experiment Definition**.  

## Setup

No specific setup is required other than to meet the preconditions of the transaction.

## Preconditions

* The **Experiment Definition** exists in the system and it is Terminated.

## Sequence of Steps

The Unterminate Experiment Definition wizard can be called from the **Experiment Definition** page within the Business Data Group.

### Step 1: Change Set

1. Optionally, select or create a new Change Set.
2. Optionally, select an Approval Role.

### Step 2: Details

1. Select **Unterminate** to perform the operation. All generic/smart table rows that reference this object will not be recovered.

For more information, see [Terminate and Unterminate](../../general/terminate_and_unterminate.md).

![unterminate_experiment_definition][unterminate_experiment_definition]

[unterminate_experiment_definition]: images/unterminate_experiment_definition.png