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Unifi - How to Backup and Restore UniFi Controller v9 (Complete Guide)

Backing up your UniFi Controller is a critical task to protect your network configuration, devices, and site settings. With UniFi Controller v9, Ubiquiti provides flexible options for both manual and automatic backups.
In this guide, you’ll learn how to backup and restore UniFi Controller v9 step by step, ensuring quick recovery in case of system failure, hardware replacement, or migration.


Why Backup UniFi Controller v9 Is Important

A UniFi Controller backup stores:

  • Network and site configurations

  • UniFi devices (AP, Switch, Gateway) settings

  • User accounts and permissions

  • WLAN, VLAN, firewall, and routing rules

Without a backup, rebuilding a UniFi network can take hours or even days.


UniFi Controller v9 Backup Methods

UniFi Controller v9 supports two main backup methods:

  1. Manual Backup – Create a backup file instantly

  2. Automatic Backup – Scheduled backups stored locally or externally

Both methods are recommended for maximum data protection.


How to Manually Backup UniFi Controller v9

Follow these steps:

  1. Log in to UniFi Network Application v9

  2. Go to Settings → System → Backup

  3. Click Download Backup

  4. Save the .unf backup file to a secure location

💡 Tip: Always store backups on an external device or cloud storage.


How to Enable Automatic Backup in UniFi Controller v9

  1. Open Settings → System → Backup

  2. Enable Auto Backup

  3. Set:

    • Backup frequency (daily/weekly)

    • Number of backup files to keep

  4. Apply and save changes

Automatic backups reduce the risk of human error.


How to Restore UniFi Controller v9 from Backup

To restore your UniFi Controller:

  1. Install UniFi Controller v9 on a new or existing system

  2. Open the UniFi setup wizard

  3. Select Restore from Backup

  4. Upload the .unf backup file

  5. Complete the restore process and wait for services to restart

After restoration, all devices and configurations will reappear automatically.


Best Practices for UniFi Backup and Restore

  • Keep multiple backup versions

  • Store backups offsite (NAS, cloud, or external drive)

  • Backup before upgrading UniFi Controller

  • Test restore on a lab or VM environment


Common UniFi Restore Issues and Solutions

IssueSolution
Devices show as disconnectedEnsure same inform URL
Restore failsVerify UniFi Controller version
Missing sitesCheck backup file integrity

Conclusion

Backing up and restoring UniFi Controller v9 is essential for maintaining a stable and secure UniFi network. By following this guide, you can confidently protect your configuration and recover quickly from unexpected failures.