View device status in Profile Manager
Devices can have four different status alerts in the devices window:
Placeholder: Devices with this icon indicate the device listed is a placeholder because the device hasn’t been successfully enrolled in Profile Manager.
Communication: Devices with this icon indicate the device hasn’t communicated with Profile Manager in the past 10 days.
Certificate expiration: Devices with this icon indicate the device’s identity certificate will expire in less than 30 days.
Certificate expired: Devices with this icon indicate the device’s identity certificate has expired.