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smb-continuous-availability.md

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author b-ahibbard
ms.service azure-netapp-files
ms.topic include
ms.date 06/23/2025
ms.author anfdocs
ms.custom include file

You should enable Continuous Availability for only the following workloads and use cases:

  • Citrix App Layering
  • FSLogix user profile containers, including FSLogix ODFC containers
  • MSIX app attach with Azure Virtual Desktop
    • When using MSIX applications with the CIM FS file format:
      • The number of AVD session hosts per volume shouldn't exceed 500.
      • The number of MSIX applications per volume shouldn't exceed 40.
    • When using MSIX applications with the VHDX file format:
      • The number of AVD session hosts per volume shouldn't exceed 500.
      • The number of MSIX applications per volume shouldn't exceed 60.
    • When using a combination of MSIX applications with both the VHDX and CIM FS file formats:
      • The number of AVD session hosts per volume shouldn't exceed 500.
      • The number of MSIX applications per volume using the CIM FS file format shouldn't exceed 24.
      • The number of MSIX applications per volume using the VHDX file format shouldn't exceed 24.
  • SQL Server
    • Continuous Availability is currently supported on Windows SQL Server.
    • Linux SQL Server isn't currently supported.

Important

Using SMB Continuous Availability shares is only supported for Citrix App Layering, SQL Server, FSLogix user profile containers including FSLogix ODFC containers, or MSIX app attach containers. This feature is currently supported on SQL Server on Windows. No other workloads are supported.

If you're using a non-administrator (domain) account to install SQL Server, ensure the account has the required security privilege assigned. If the domain account doesn't have the required security privilege (SeSecurityPrivilege), and the privilege can't be set at the domain level, you can grant the privilege to the account by using the Security privilege users field of Active Directory connections. For more information, see Create an Active Directory connection.

Important

Change notifications aren't supported with Continuously Available shares in Azure NetApp Files.