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Copy file name to clipboardExpand all lines: docs/sql-server/install/hardware-and-software-requirements-for-installing-sql-server-2019.md
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The article lists the minimum hardware and software requirements to install and run [!INCLUDE [sssql19-md](../../includes/sssql19-md.md)] on the Windows operating system.
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For hardware and software requirements for other versions of [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)], see:
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For hardware and software requirements for other versions of [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)], see:
-[[!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] 2016 and 2017](hardware-and-software-requirements-for-installing-sql-server.md)
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|Component|Requirement|
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|---------------|-----------------|
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|Operating system|Windows 10 TH1 1507 or greater<br/><br>Windows Server 2016 or greater<br/><br/>
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|.NET Framework|Minimum operating systems includes minimum .NET framework.|
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|.NET Framework|Minimum operating system includes minimum .NET framework.|
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|Network Software|Supported operating systems for [!INCLUDE[ssCurrent](../../includes/ssnoversion-md.md)] have built-in network software. Named and default instances of a stand-alone installation support the following network protocols: Shared memory, Named Pipes, and TCP/IP.<br/><br/> |
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[!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Setup installs the following software components required by the product:
-[!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Setup application support files
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> [!IMPORTANT]
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For more information on installing [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] on Server Core, see [Install [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] on Server Core](../../database-engine/install-windows/install-sql-server-on-server-core.md).
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> [!NOTE]
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> Installing SQL Server on a Windows OS on which case sensitivity is enabled is not supported. For more information review [SQL Server is not supported on a Windows operating system on which case sensitivity is enabled](/troubleshoot/sql/install/sql-server-not-supported-in-windows-os-where-case-sensitivity-enabled)
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> Installing SQL Server on a Windows OS on which case sensitivity is enabled isn't supported. For more information review [SQL Server isn't supported on a Windows operating system on which case sensitivity is enabled](/troubleshoot/sql/install/sql-server-not-supported-in-windows-os-where-case-sensitivity-enabled)
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## <aname="CrossLanguageSupport"></a> Cross-language support
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For more information about cross-language support and considerations for installing [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] in localized languages, see [Local Language Versions in [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)]](../../sql-server/install/local-language-versions-in-sql-server.md).
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- Shared Storage
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-[Storage Spaces Direct \(S2D\)](/windows-server/storage/storage-spaces/storage-spaces-direct-overview)
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- SMB File Share
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- SMB storage is not supported for [!INCLUDE[ssASnoversion](../../includes/ssasnoversion-md.md)] data files for either standalone or clustered installations. Use direct attached storage, a storage area network, or S2D instead.
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- SMB storage isn't supported for [!INCLUDE[ssASnoversion](../../includes/ssasnoversion-md.md)] data files for either standalone or clustered installations. Use direct attached storage, a storage area network, or S2D instead.
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- SMB storage can be hosted by a Windows File Server or a third-party SMB storage device. If Windows File Server is used, the Windows File Server version should be 2008 or later. For more information about installing [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] using SMB file share as a storage option, see [Install [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] with SMB Fileshare as a Storage Option](../../database-engine/install-windows/install-sql-server-with-smb-fileshare-as-a-storage-option.md).
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## <aname="DC_support"></a> Installing [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] on a domain controller
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For security reasons, we recommend that you do not install [!INCLUDE[ssCurrent](../../includes/ssnoversion-md.md)] on a domain controller. [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Setup will not block installation on a computer that is a domain controller, but the following limitations apply:
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For security reasons, don't install [!INCLUDE[ssCurrent](../../includes/ssnoversion-md.md)] on a domain controller. [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Setup doesn't block installation on a computer that is a domain controller, but the following limitations apply:
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- You cannot run [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] services on a domain controller under a local service account.
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- After [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] is installed on a computer, you cannot change the computer from a domain member to a domain controller. You must uninstall [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] before you change the host computer to a domain controller.
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- After [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] is installed on a computer, you cannot change the computer from a domain controller to a domain member. You must uninstall [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] before you change the host computer to a domain member.
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- You can't run [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] services on a domain controller under a local service account.
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- After [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] is installed on a computer, you can't change the computer from a domain member to a domain controller. You must uninstall [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] before you change the host computer to a domain controller.
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- After [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] is installed on a computer, you can't change the computer from a domain controller to a domain member. You must uninstall [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] before you change the host computer to a domain member.
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-[!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] failover cluster instances are not supported where cluster nodes are domain controllers.
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-[!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)]is not supported on a read-only domain controller. [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Setup cannot create security groups or provision [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] service accounts on a read-only domain controller. In this scenario, Setup will fail.
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- A [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] failover cluster instance is not supported in an environment where only a read-only domain controller is accessible.
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-[!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)]isn't supported on a read-only domain controller. [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Setup can't create security groups or provision [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] service accounts on a read-only domain controller. In this scenario, Setup will fail.
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- A [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] failover cluster instance isn't supported in an environment where only a read-only domain controller is accessible.
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## Installation media
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## Next steps
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Once you've reviewed the hardware and software requirements for installing [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)], you can start to [Plan a [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Installation](../../sql-server/install/planning-a-sql-server-installation.md) or review the [Security considerations for [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)]](../../sql-server/install/security-considerations-for-a-sql-server-installation.md).
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Once you've reviewed the hardware and software requirements for installing [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)], you can start to [Plan a [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] Installation](../../sql-server/install/planning-a-sql-server-installation.md) or review the [Security considerations for [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)]](../../sql-server/install/security-considerations-for-a-sql-server-installation.md).
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