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Troubleshoot Conflicting Intune Policies for Outlook on AVD
Question details
The user needs to resolve an issue where an Intune configuration policy designed to disable Outlook Cached Exchange Mode on Azure Virtual Desktop (AVD) fails to take effect.
- Product
- Microsoft Outlook, Microsoft Intune
- Device & OS
- Windows (AVD)
- Scenario
- Managing enterprise email configurations via Microsoft Intune for virtual desktop environments.
- Observed behavior
- The Intune policy reports a successful application status in the admin center, but Outlook Cached Exchange Mode remains enabled on the AVD sessions.
Ensure you have administrative access to the Microsoft Intune admin center and can collect diagnostic logs from the affected Azure Virtual Desktop (AVD) host machines.
Investigate Intune Policy Conflicts and Assignment Filters
Identify overlapping policies between standard Windows workstations and AVD environments that might override the intended Cached Exchange Mode settings.
When managing Azure Virtual Desktop (AVD) environments alongside physical devices, conflicting policies can easily occur. Even if Intune reports a successful policy delivery, local Group Policy Objects (GPOs) or overlapping Configuration Profiles may take precedence, preventing Outlook from actually disabling Cached Exchange Mode.
Log in to the Microsoft Intune admin center. Navigate to Devices > Configuration profiles, and check if multiple profiles targeting Office or Outlook settings are applied to the same AVD device group.
Check that your Intune assignment filters correctly include the AVD session hosts and explicitly exclude standard Windows workstations to prevent accidental overrides.
Run the MDM Diagnostic Information report on an affected AVD host. Review the generated HTML report to see the exact policy values being pushed to the device registry.
If the conflict is not visible in the admin center, gather your policy assignments, device platforms, and diagnostic results, and post the issue in the official Microsoft Intune community for advanced specialist investigation.
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Frequently Asked Questions
Why does Intune report a policy as successful when the setting hasn't changed in Outlook?
Intune reports success when the configuration payload is successfully delivered to the operating system. However, local Group Policy Objects (GPOs), overlapping Intune profiles, or application-level registry overrides can still prevent the setting from taking effect in the Outlook application itself.
Can I use Intune filters to apply policies only to AVD session hosts?
Yes, you can create Intune assignment filters based on device properties (such as device model or OS version) to ensure that specific policies, like disabling Cached Exchange Mode, only apply to AVD hosts and not to physical Windows workstations.
What is the recommended Exchange mode for Outlook on Azure Virtual Desktop?
Microsoft generally recommends using Cached Exchange Mode paired with FSLogix Profile Containers for AVD environments to optimize performance. Completely disabling Cached Mode (Online Mode) can lead to a poor user experience if network latency is high.
Where can I get advanced help for Intune policy conflicts?
For complex policy processing issues, it is recommended to gather your MDM diagnostic logs and post the details in the official Microsoft Intune Tech Community, or open a support ticket directly via the Microsoft 365 admin center.
