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Issue: Azure Stack HCI update blocked Error: “Test RP registrations are present in the subscription”

Marco Tse 0 Reputation points
2026-02-07T02:33:54.4333333+00:00
  1. Subscription contains private Azure Stack HCI feature
  2. Private.AzureStackHCI/EnableProvider is registered
  3. Feature type is ManualApprove and cannot be unregistered by customer
  4. No Test/Preview providers are registered

az feature unregister --namespace Private.AzureStackHCI --name EnableProvider Once the feature 'EnableProvider' is unregistered, invoking 'az provider register -n Private.AzureStackHCI' is required to get the change propagated (FeatureUnregistrationUnsupported) Feature unregistration is not supported. Only 'AutoApprove' features are supported for unregistration. The feature 'EnableProvider' being unregistered is 'ManualApprove' feature. Code: FeatureUnregistrationUnsupported Message: Feature unregistration is not supported. Only 'AutoApprove' features are supported for unregistration. The feature 'EnableProvider' being unregistered is 'ManualApprove' feature.

Azure Local
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  1. Nikhil Duserla 9,685 Reputation points Microsoft External Staff Moderator
    2026-02-12T08:19:28.22+00:00

    Hello @Marco Tse ,

    During the readiness check for the Cumulative Update, validation failed because some required Resource Providers (RPs) particularly Microsoft.Attestation are not registered in the subscription. Registering these RPs is mandatory for Azure Local and Azure Arc deployments, and this requirement is now enforced to ensure the environment meets compliance prerequisites before updates can proceed.

    As outlined in the Azure Local Arc prerequisites, specific resource providers must be registered for Azure Local deployments. In this case, the Microsoft.Attestation RP appears to be missing, and the environment checker now requires it to be registered before allowing updates.

    https://learn.microsoft.com/en-us/azure/azure-local/deploy/deployment-arc-register-server-permissions?view=azloc-2601&viewFallbackFrom=azloc-2507#azure-prerequisites

    Check the registration state of Microsoft.Attestation-

    Connect-AzAccount -SubscriptionId $Subscription -TenantId $Tenant -DeviceCode
    Get-AzResourceProvider -ProviderNamespace "Microsoft.Attestation"
    

    User's image

    Register the missing resource provider by running (requires Owner or Contributor subscription role):

    Register-AzResourceProvider -ProviderNamespace "Microsoft.Attestation"
    
    
    

    User's image

    Hope this helps! Please let me know if you have any queries.

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  2. Marco Tse 0 Reputation points
    2026-02-09T04:49:54.63+00:00

    I upgraded to standard plan and submitted service ticket today morning.

    **Support request ID:**26<removed PII>

    Description

    “Our Azure subscription has Private.AzureStackHCI/EnableProvider registered, which previously caused Azure Local upgrade failures. Please remove this private/internal RP and confirm the subscription is in a production-supported state for Azure Local.”

    0 comments No comments

  3. Q&A Assist
    2026-02-07T02:34:04.11+00:00
    AI generated content. This question contains an answer created with AI from Q&A Assist. Learn more

    The error message you are encountering indicates that the feature EnableProvider under the namespace Private.AzureStackHCI is a ManualApprove feature, which means it cannot be unregistered by the customer. Since only AutoApprove features can be unregistered, you will not be able to proceed with the unregistration of this feature.

    To resolve this issue, you may need to check if there are any other configurations or requirements that need to be met before proceeding with updates to Azure Stack HCI. Additionally, ensure that there are no test or preview providers registered that might be affecting the update process.

    If you need to propagate changes after attempting to unregister a feature, you would typically invoke az provider register -n Private.AzureStackHCI, but since unregistration is not supported in this case, you may need to consult Azure support for further assistance.


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