# System Requirements for CIFS Shares of Azure NetApp Files

Verify that your environment meets the system requirements for CIFS shares of Azure NetApp Files (ANF).

## Supported Protocol

- SMB/CIFS

## Services

Ensure that the managed identities for Azure resources service is running.

## Operating System

### Network Share Backup CIFS (Windows File System)

Operating system | Processor architecture
--- | ---
Microsoft Windows Server 2025 Editions | All Windows-compatible processors are supported
Windows 11 Editions | All Windows-compatible processors are supported
Microsoft Windows Server 2022 Core Editions | All Windows-compatible processors are supported
Microsoft Windows Server 2022 Editions | All Windows-compatible processors are supported
Microsoft Windows Server 2019 Editions | All Windows-compatible processors are supported
Microsoft Windows Server 2019 Core Editions | All Windows-compatible processors are supported
Microsoft Windows Server 2016 Editions | All Windows-compatible processors are supported

## For IntelliSnap and File System Backups

1. On the VM, which runs IntelliSnap operations, enable managed identity access.

   User-managed identities are not supported.

2. On the resource groups for the Azure VM (access node), set one of the following roles:

   Role | Steps
   --- | ---
   Contributor | Set the Contributor role for the resource groups that are associated with the following: A NetApp account of the ANF storage volume. The virtual network to which the ANF volume is connected.
   Custom | Define a custom role to perform IntelliSnap backup and restore operations with ANF volumes, instead of using the Contributor role: Download the CustomRoleDefinition.json file. This role contains the limited permissions needed to perform backup and restore operations with ANF. In the CustomRoleDefinition.json file, update #SubscriptionId# and #ResourceGroupName# in the following entry: assignableScopes": ["/subscriptions/#SubscriptionId#/resourceGroups/#ResourceGroupName1# For more information about creating a custom role, go to Azure Custom Roles on the Microsoft documentation website.

3. Optional: If you are going to use a proxy computer for the backup copy, then do the following:

   - On the proxy computer, set the contributor role.

   - Ensure that the proxy computer is either connected to the same virtual network as the source ANF volume or to a virtual network which is peered to the virtual network on which the source ANF volume is attached.

4. Optional: You can configure snapshot configuration properties for ANF.

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