Widget : missing device - Last N hours traffic

Widget : missing device - Last N hours traffic

Hello,

Few of  my devices (firewalls, servers, ...) are missing in the drop-down list when I want to add a widget "Last N hours traffic" in a CCTV dashboard.

I have 2 fortigate firewalls configured the same way (fortigate, snmp v1).
In SNAPSHOT page : both show interfaces, RX/TX, ... values (interface tab). 

But only 1 appear in the drop down list of CCTV Dashboard WIDGETS.

1 firewall device appears in widget but not the other:




The missing one in Wigdets is this one :





I already have restarted OPManager and both devices are interface-monitored for more than 18 hours.

Thanks for your ideas.

Olivier
-- 
OPManager 8810 on Win2003
150 devices licensed

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