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Defender was running. Windows said it was off. Intune could then mark the device noncompliant, and Conditional Access could block the user. Here is how the startup race happened, what our PowerShell workaround did, and what we found when testing Defender 4.18.26080.4
At first glance, Device Association looks almost identical to Classic Autopilot. Both can involve collecting device information, uploading a CSV, and linking the device to a tenant. But underneath that familiar admin workflow, Windows uses a different deployment, identity, and OOBE model.
What happens between importing a Device Association CSV and Windows knowing which tenant it belongs to? This walkthrough follows all 12 steps, using code and lab evidence to explain TPM attestation, the signed association stored in UEFI, and how Windows retrieves OOBE settings before anyone signs in.
Ivanti DSM reaches end of life on December 31, 2026. Learn how to plan your Ivanti DSM migration, compare replacement options, move applications and eScript packages to Microsoft Intune or Configuration Manager, and modernize third party patch management.
The July Windows update caused newly enrolled devices to appear noncompliant in Intune, even when BitLocker, Secure Boot, and Code Integrity were enabled. This investigation connects the SyncML 404 errors, failed Device Health Attestation, Parallels vTPM reports, AIK v2, feature 62861611, and the code changes Microsoft introduced in KB5101684