---
entityname: Change Package
alias: user-guide-publish-change-package
description: "Publish an approved Change Package and create the related Transport Package"
---

# Publish Change Package

:lock: ChangePackage.**Publish**

## Overview

Use this operation only when the **Publication Mode** of an approved **Change Package** is **Manual**.

The **Publish** operation sends the **Change Package** to the **Global Data Orchestrator**, which creates the related **Transport Package** and makes the package contents available to the destination instances defined by the **Deployment Plan**.

!!! info
    If the Publication Mode is set to Automatic, the system publishes the Change Package when it is set effective. No manual action is required.

## Setup

No specific setup is required other than meeting the preconditions of the operation.

## Preconditions

* The **Publication Mode** of the **Change Package** is set to **Manual**.
* The **Change Package** exists and is Active.
* The system state of the **Change Package** is Approved.
* You have an active Critical Manufacturing MES license that includes the **Global Data Orchestrator** module.
* The Customer Environment and MES version of the site match those of the **Change Package**.

!!! warning "Package Encryption"

    A missing or incorrectly configured encryption key can prevent Change Package publication. If publication fails because of encryption configuration, contact your system administrator. For key requirements and configuration steps, see [[operation-guide-global-data-orchestrator-encryption]].

## Sequence of Steps

### Step 1: Publish a Change Package

1. Open the approved **Change Package** that you want to publish.
2. Select **Publish** from the action bar.

    ![Screenshot showing the Publish option in the action bar.](images/publish_change_package01.png)

3. Review the **Change Package Items** in either the tree view or grid view.
4. Optionally, enter a comment.
5. Select **Publish** to release the approved **Change Package**.

    === "Publish - Tree view"

        ![Screenshot showing the Publish wizard in the tree view.](images/publish_change_package02.png)

    === "Publish - Grid view"

        ![Screenshot showing the Publish wizard in the grid view.](images/publish_change_package03.png)

!!! note
    Before publishing, the system runs the Verify operation using the default `CheckNothing` Table Verification Mode. If the verification reports errors, the system does not publish the Change Package. For more information, see [[user-guide-verify-change-package]].

If the verification finishes without errors, the system:

* Sets the system state of the **Change Package** to `Published`.
* Records the publisher and publication date.
* Requests the **Global Data Orchestrator** to create the related **Transport Package**.
* Terminates the **Change Package**.