Update & Upgrade Problems

Fix Microsoft 365 Ignoring Group Policy Update Share Location

Olivia Miller Sep 28, 2026 869 views

Question details

IT administrators need to ensure that Microsoft 365 updates are downloaded from a designated local network share rather than defaulting to the Office CDN.

Fix Microsoft 365 Ignoring Group Policy Update Share Location

Product: Microsoft 365
Device & OS: not provided
Scenario: Deploying and managing Microsoft 365 updates in a corporate environment using local Group Policy settings.
Observed behavior: The update path remains configured to use the Office CDN instead of the specified network share, and the UpdateChannel registry value reverts after being changed manually.

Before you start

Ensure you have administrator access to the Microsoft 365 admin center and the local domain controller to review both cloud-based policies and local Group Policy configurations.

Solution 1Recommended

Review and Adjust Microsoft 365 Admin Center Policies

Cloud policies configured in the Microsoft 365 Apps admin center can override local Group Policy settings, causing the update path to revert to the Office CDN.

Microsoft 365 prioritizes cloud-based servicing profiles and cloud policies over local Group Policy. If a servicing profile is active, it will automatically force the devices to fetch updates directly from the Office Content Delivery Network (CDN).

Access the Microsoft 365 Apps admin center

Check Servicing Profiles

Navigate to the 'Servicing' section and click on 'Monthly Enterprise Channel'. Check if the affected devices are included in an active servicing profile.

Review Cloud Policies

Go to 'Customization' and then 'Policy Management'. Review the active policies to see if any are explicitly setting the update channel or path.

Exclude Devices or Disable Cloud Policies

If you want local Group Policy to take precedence, exclude the specific devices from the servicing profile or adjust the cloud policy to allow local network share updates.

Review and Adjust Microsoft 365 Admin Center Policies

Registry Value Differences: Although registry values in the Office Deployment Tool and Group Policy paths may differ naturally, the effective update channel will always match the active policy configuration governing the device.

Solution 2

Force the Group Policy Update Locally

Ensure that the local Group Policy specifying the network share is successfully applied to the target machines and registry keys are accurately updated.

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Frequently Asked Questions

Why does the UpdateChannel registry value keep reverting after I change it manually?

The registry value typically reverts because a cloud-based policy or an active Servicing Profile in the Microsoft 365 Apps admin center is actively overriding your local settings. Microsoft 365 prioritizes cloud configurations over local manual registry edits.

Can Group Policy and the Office Deployment Tool have different registry values simultaneously?

Yes, it is normal for registry values under the Office Deployment Tool path and Group Policy path to differ if both deployment methods were used. However, the effective update channel will reflect the highest priority policy, usually the cloud policy or active Group Policy.

How do I force Microsoft 365 to use my local network share for updates?

You must set the 'Update Path' in your Group Policy Administrative Templates for Microsoft Office, and critically, ensure that no conflicting cloud policies or Servicing Profiles are enabled for those devices in the Microsoft 365 Apps admin center.

Installation & Activation