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ADE enrollment error 'XPC_TYPE_ERROR Connection invalid'

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This article helps you fix an issue in which you receive error 'XPC_TYPE_ERROR Connection invalid' during enrolling an Apple Automated Device Enrollment (ADE) device.

Symptom

When you turn on an Apple ADE device that's assigned an Intune enrollment profile, you receive an error message that resembles the following:

mobileassetd[83] <Notice>: 0x1a49aebc0 Client connection: XPC_TYPE_ERROR Connection invalid <error: 0x1a49aebc0> { count = 1, transaction: 0, voucher = 0x0, contents = 'XPCErrorDescription' => <string: 0x1a49aee18> { length = 18, contents = 'Connection invalid' } }
iPhone mobileassetd[83] <Notice>: Client connection invalid (Connection invalid); terminating connection
iPhone com.apple.accessibility.AccessibilityUIServer(MobileAsset) [288] <Notice>: [MobileAssetError:29] Unable to copy asset information from <https://mesu.apple.com/assets/> for asset type com.apple.MobileAsset.VoiceServices.CombinedVocalizerVoices
iPhone mobileassetd[83] <Notice>: 0x1a49aebc0 Client connection: XPC_TYPE_ERROR Connection invalid <error: 0x1a49aebc0> { count = 1, transaction: 0, voucher = 0x0, contents = 'XPCErrorDescription' => <string: 0x1a49aee18> { length = 18, contents = 'Connection invalid' }

Cause

This issue occurs if there's a connection problem between the device and the Apple ADE service.

Resolution

To fix this issue, fix the connection problem, or use a different network connection to enroll the device. If the issue persists, contact Apple support.

For more information about how to enroll ADE devices, see Automatically enroll iOS/iPadOS devices.