> ## Knowledge Base Index
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# How to Add A Backup Stream

|| Backup streams are only supported by platforms which support backup stream functionality - you also need to have an empty stream slot 

### What is a Backup stream?

A backup stream is a stream which is attached to your primary stream and is always in synchronisation with the primary stream, creating a backup stream ensures that your stream **never** goes offline, creating a truly uninterrupted Livestream.

### Do I need a Backup stream?

A backup stream is intended for channels where they do not want to risk a second of downtime, if the primary goes offline for any reason, the backup stream takes over in a second. When the primary stream re-establishes the connection to the source, it will take its place instead of the backup stream

### How do i add a Backup stream?

1. Open your Stream List Dashboard or by [clicking here ](https://upstream.so/stream)
2. Click on **Add backup stream**

![](https://storage.crisp.chat/users/helpdesk/website/3d1572e4e8c19800/image_10jmrjn.png)

3. Select the stream which you wish to attach a backup stream to


![](https://storage.crisp.chat/users/helpdesk/website/3d1572e4e8c19800/image_rsa4uq.png)

4. Let the backup stream install, sync and start - this is an automated process, it may take 1-2 minutes.
