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title SQL Server 2025 release notes
description Find information about SQL Server 2025 (17.x) limitations, known issues, help resources, and other release notes.
author MikeRayMSFT
ms.author mikeray
ms.reviewer randolphwest
ms.date 04/20/2025
ms.service sql
ms.subservice release-landing
ms.topic release-notes
monikerRange >= sql-server-2016

SQL Server 2025 Preview release notes

[!INCLUDEsqlserver2025]

This article describes requirements, limitations and known issues for [!INCLUDEsssql25-md].

Hardware and software requirements

For hardware and software requirements, see SQL Server 2025: Hardware and software requirements.

Known issues

SQL Server fails to start after installation

Issue: SQL Server instances on Windows might fail to start after the installation if the machine has more than 64 logical cores per NUMA node.

For more information, see Limit number of logical cores per NUMA node to 64.

Upgrade in place

[!INCLUDE sssql25-md] doesn't support in place upgrades from previous versions of [!INCLUDE ssnoversion-md], including SQL Server 2025 CTP releases.

Build number

Build Version number Date
Preview 17.0.700.9 May 19, 2025

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