# Configuring Auto-Scaling for Access Nodes

Auto-scaling is critical for backup and recovery operations, especially for large-scale operations. Auto-scaling allocates resources dynamically, based on demand, preventing resource bottlenecks and optimizing performance. It then decommissions access nodes when they're not needed. When you need to use auto recovery in a disaster scenario, where the volume of data and the number of workloads to restore can vary significantly, auto-scaling ensures that the necessary computing resources are available, without provisioning more than you need.

## Supported Target Hypervisors

- Azure

- Amazon EC2

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