Because Windows doesn't always have a native "category" for this specific Apple protocol, it places it in "Other Devices". The warning symbol typically appears when the associated Apple device is offline or the service hasn't been properly identified by Windows. How to Fix the Missing AAP Server Driver
AAP Server Driver is a vendor-specific device driver package (often for USB/serial adapters or embedded device servers) used to enable communication between Windows and certain hardware that presents as an "AAP" device. Exact package names vary by manufacturer. aap server driver windows 10 download
If the missing driver is causing issues or you want to clear the warning, try these steps: Reconnect the Device Because Windows doesn't always have a native "category"