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enable-continuous-availability-existing-SMB.md

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title Enable Continuous Availability on existing Azure NetApp Files SMB volumes
description Describes how to enable SMB Continuous Availability on existing Azure NetApp Files SMB volume.
services azure-netapp-files
author b-hchen
ms.service azure-netapp-files
ms.topic how-to
ms.date 05/31/2025
ms.author anfdocs
ms.custom
build-2025

Enable Continuous Availability on existing SMB volumes

You can enable the SMB Continuous Availability (CA) feature when you create a new SMB volume. You can also enable SMB CA on an existing SMB volume; this article shows you how to do so.

Important

Custom applications are not supported with SMB Continuous Availability.

For more information, see Enable Continuous Availability.

[!INCLUDE SMB Continuous Availability warning]

Steps

  1. Select the SMB volume that you want to have SMB CA enabled. Then select Edit.

  2. On the Edit window that appears, select the Enable Continuous Availability checkbox.
    Snapshot that shows the Enable Continuous Availability option.

  3. Reboot the Windows systems connecting to the existing SMB share.

    [!NOTE] Selecting the Enable Continuous Availability option alone does not automatically make the existing SMB sessions continuously available. After selecting the option, be sure to reboot the server immediately for the change to take effect.

  4. Use the following command to verify that CA is enabled and used on the system that’s mounting the volume:

    get-smbconnection | select -Property servername,ContinuouslyAvailable

    You might need to install a newer PowerShell version.

    If you know the server name, you can use the -ServerName parameter with the command. See the Get-SmbConnection PowerShell command details.

Next steps