| Solution |
When a FortiGate cluster is deployed in an HA configuration by following the Single FortiGuard license for FortiGate A-P HA cluster, the device may still fail to register, and the logs may display the following errors:
FGT1 # diagnose sys ha dump-by debug-zone
HA information.
is_manage_primary=1,manage_vd=root,ip=169.254.0.2,num=2,nvcluster=1,jiffies=456481.
No logical serial number,retry times=10
FG101FTK24005632, 1,0,00,10,0,7.4.2795,0,0,0,0.
FG101FTK24005677, 0,29,00,10,0,7.4.2795,1,1,-1,0.
vcluster_id=1.
FG101FTK24005632, 0,0.
FG101FTK24005677, 1,1.
- Check the FortiGate device's system configuration and ensure that the logical serial number (LSN) is enabled. The LSN is required for registration.
- Verify that the FortiGate devices are running the correct firmware version. Ensure that the firmware version is compatible with the registration process (FortiOS 7.2.9, 7.4.6 and 7.6.1 and above)
- Check the FortiCloud portal and ensure that the devices are properly registered and that the registration status is up-to-date.
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If the issue persists and the 'No valid cluster key' error appears in the diagnose debug update-1 output, try disabling and re-enabling the Logical Serial Number (LSN) in the HA configuration.
For more details, refer to the following article: Technical Tip: Logical SN or vSN does not appear on the HA status.
- If the device is still not registering, try de-registering it from the FortiCloud portal and then registering it again. If needed, contact the CS team for assistance.
Related document:
Single FortiGuard license for FortiGate A-P HA cluster - FortiGate 7.4.0 new features
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