Enterprise Case Studies

Documented post-mortems, root cause investigations, and automated remediation scripts from production enterprise Azure Virtual Desktop and Windows 365 deployments.

01.Cloud PC & EnrollmentP1 - High

01.2026·6 min read

Windows 365 VDI Device Not Found in Intune Device Inventory

Root cause analysis and resolution runbook for Azure Virtual Desktop session hosts failing to sync with Microsoft Intune MDM authority after hybrid join provisioning.

Observable Symptoms:

✕Device enrollment status: Error
✕Entra ID object missing MDM URL
✕Intune device compliance check failed

Windows 365AVDMicrosoft IntuneEntra IDPowerShell

02.Authentication & SecurityP1 - High

12.2025·8 min read

Windows 365 Token Validation Failure & Automated Remediation

Diagnosing silent STS token validation errors causing Cloud PC connection drops, complete with automated PowerShell remediation scripts deployed via Intune proactive remediations.

Observable Symptoms:

✕Error code: 0x3000045 (Token Expired)
✕Web client session terminated unexpectedly
✕Primary Refresh Token (PRT) validation fault

Windows 365Azure STSConditional AccessGraph APIPowerShell

03.Policy & ConfigurationP2 - Medium

03.2026·5 min read

W365 Provisioning Failures Caused by Conflicting Intune Device Configurations

Identifying policy race conditions between legacy GPO inheritance and Intune MDM CSP settings during the initial Out-of-Box-Experience (OOBE) provisioning phase.

Observable Symptoms:

✕Provisioning status stuck at 85% (Device Preparation)
✕Event ID 813: Policy assignment conflict
✕BitLocker escrow timeout during provisioning

Microsoft IntuneGroup Policy (GPO)CSP PoliciesAutopilotEvent Viewer

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