KB99921 - [WAN-Assurance]After upgrading an SSR device, the device shows as Connected in the Mist Cloud, but the Last Config status is displayed as Unknown in the Mist portal

⌂ KB99921 [WAN-Assurance]After upgrading an SSR device, the device shows as Connected in the Mist Cloud, but the Last Config status is displayed as Unknown in the Mist portal Version 2025-12-29 Latest Versions [juniper.net]