Once an APNS delivery channel has been defined, it must be enabled for each deployment that will use it.

Enabling an APNS Delivery Channel

To enable the delivery channel in a deployment:

Navigate to the Deployments screen.
Click on the desired deployment. The Real Time Monitor screen displays the summary information for the selected deployment.
Click the Machines sub-menu for the deployment. The Administer Machines screen displays.
From the Commands dropdown, select Stop All Nodes. The stop confirmation message displays:
```
Stop command sent to [your_server]. Use refresh command to see status.
```
Click the Channels sub-menu for the deployment. The Delivery Channels screen displays. The Deploy checkbox indicates whether the delivery channel is enabled for the deployment.
To enable the delivery channel for the deployment, check the checkbox beside the APNS delivery channel and click the Save button. The Delivery Channels screen refreshes displaying the delivery channel is now deployed.
Click on the Machines sub-menu. The Administer Machines screen displays.
Restart the nodes by selecting the Start All Nodes from the Commands dropdown. The start confirmation displays.
```
Start command sent to [your_server]. Use refresh command to see status.
```