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The group is then referenced as parameters in an entry, as illustrated in the following snippet:
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```xml
@@ -734,53 +714,6 @@ The group is then referenced as parameters in an entry, as illustrated in the fo
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</Entry>
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```
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## File evidence
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With device control, you can store evidence of files that were copied to removable devices or were printed. When file evidence is enabled, a `RemovableStorageFileEvent` is created. The behavior of file evidence is controlled by options on the Allow action, as described in the following table:
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| Option | Description |
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|---|---|
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|`8`| Create a `RemovableStorageFileEvent` event with `FileEvidenceLocation`|
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|`16`| Create a `RemovableStorageFileEvent` without `FileEvidenceLocation`|
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The `FileEvidenceLocation` field of has the location of the evidence file, if one is created. The evidence file has a name which ends in `.dup`, and its location is controlled by the `DataDuplicationFolder` setting.
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### Storing file evidence in Azure Blob Storage
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1. Create an Azure Blob Storage account and container.
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2. Create a custom role called `Device Control Evidence Data Provider` for accessing the container. The role should have the following permissions:
Custom roles can be created via [CLI](/azure/role-based-access-control/custom-roles-cli) or [PowerShell](/azure/role-based-access-control/custom-roles-powershell)
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> [!TIP]
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> The built-in role, [Storage Blob Data Contributor](/azure/role-based-access-control/built-in-roles/storage) has delete permissions for the container, which is not required to store device control feature evidence. The built-in role, [Storage Blob Data Reader](/azure/role-based-access-control/built-in-roles/storage) lacks the write permissions that are required. This is why a custom role is recommended.
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> [!IMPORTANT]
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> To ensure that the integrity of the file evidence use [Azure Immutable Storage](/azure/storage/blobs/immutable-storage-overview)
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3. Assign the users of device control to the `Device Control Evidence Data Provider` role.
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4. Set the `RemoteStorageFileEvent` to the URL of the Azure Blob Storage container.
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## Next steps
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-[View device control events and information in Microsoft Defender for Endpoint](device-control-report.md)
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