---
title: "Understanding When Devices Go \"Offline\""
slug: "understanding-when-devices-go-offline"
updated: 2025-02-02T10:11:10Z
published: 2025-02-02T10:11:10Z
canonical: "support.kandji.io/understanding-when-devices-go-offline"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://support.kandji.io/kb/llms.txt
> Use this file to discover all available pages before exploring further.

# Understanding When Devices Go "Offline"

After 30 days of MDM inactivity, a Kandji-enrolled device will be marked as "Offline". The device will remain offline until it can check in again or one of the following actions is taken.![](https://cdn.document360.io/0844b095-d720-4a7b-bb17-ec97d9bc6e41/Images/Documentation/1u0XKVEMdOQvWpJY8gzkhaq2XeG6j5rYhQ.png)

#### Reactivate

To bring a device out of "Offline" status, it must be turned on with an active Internet connection. Once it completes a check-in with Kandji, the device will be removed from the "Offline" section. A Mac can complete a check-in with Kandji from the standard login or lock screen or from the Passport Login Window. It cannot check in from the FileVault login screen after a Mac restarts.

#### Remove from Account

If Kandji should no longer look for this device, follow [these steps](/v1/docs/deleting-a-device-record-and-uninstalling-kandji) to remove it from your account. Carefully review the ramifications of removing a device from Kandji before proceeding.

#### Reinstall

If a device was erased, Kandji must be re-installed manually or via MDM with Automated Device Enrollment to operate properly. Kandji will automatically link the old and new records using the UUID and serial number.

See the [Devices](/v1/docs/devices) section of our Knowledge Base for more detailed information about taking action on devices.