Replacing FortiGate serial numbers
You can use this procedure to replace one FortiGate with another FortiGate by updating the serial number in SD-WAN Orchestrator MEA.
It is recommended to use the same WAN IP for the new and old FortiGates, regardless of whether a static IP or DHCP is used.
To replace FortiGate serial numbers:
- In SD-WAN Orchestrator MEA, go to Configuration > Device, and ensure that the Config Status for the device is Synched.
- Turn off the FortiGate device that you want to replace.
- Edit the serial number in SD-WAN Orchestrator MEA
- Go to Configuration > Device, and double-click the device to open it for editing.
- Beside the Serial Number box, click the Pencil icon.
The Serial Number box becomes editable.
- In the Serial Number box, type the new serial number, and click Confirm.
- Click OK.
The serial number is updated.
- In FortiManager, download a configuration revision for the FortiGate device you are replacing.
- Go to Device Manager > Device & Groups, and select the device group.
The devices in the group display in the left tree menu and in the content pane.
- Double-click a device.
The System > Dashboard > Summary is displayed in the content pane.
- In the Configuration and Installation widget, click the Revision History button.
The Configuration Revision History dialog box is displayed.
- Select the revision, and select Download Revision from the More menu.
- Select the Regular Download, and click OK.
The configuration is downloaded to your computer.
- Go to Device Manager > Device & Groups, and select the device group.
- Open the downloaded configuration file in a text editor, and remove the FortiManager IP address from the
central-management
configuration section.The change ensures that the new FortiGate device isn't registered as a new device.
- Turn on the new FortiGate.
- Go to FortiOS, and restore the configuration.
- Go to FortiManager, and replace the serial number by using the following CLI.
#diag dvm device list
#exec device replace sn <device name> <serial number>
<serial number> is case-sensitive. Letters used in Fortinet product serial numbers are capitalized.