# SLA (Service level Agreements)

## Service Level Agreement (SLA)

* VM SLA: [click here](https://www.azure.cn/en-us/support/sla/virtual-machines/)

## Azure Service Lifecycle

### Preview features

* are for testing and not production use
* no SLA
* Could change significantly before it goes live
* May not go live

### 2 Types of Preview features:

* Public
* Private

Public preview available to everyone Private preview requires registration

### General Availability (GA)


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