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Merge pull request #10629 from MicrosoftDocs/main
SQL22 CU23 and SQL25 CU1 Re-release KB and Linux docs update - push main to live
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‎support/sql/releases/download-and-install-latest-updates.md‎

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‎support/sql/releases/includes/database-mail-stops.md‎

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‎support/sql/releases/linux/release-history-2022.md‎

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‎support/sql/releases/linux/release-history-2025.md‎

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@@ -4,7 +4,7 @@ description: This article contains the release history for SQL Server 2025 runni
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author: rwestMSFT
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ms.author: randolphwest
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ms.reviewer: amitkh, vanto
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ms.date: 01/21/2026
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ms.date: 01/29/2026
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ms.update-cycle: 1095-days
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appliesto:
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- SQL Server 2025
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| Release | Version | Release date |
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| --- | --- | --- |
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| [CU 1](#17-0-4006) | 17.0.4006.2 | 2026-01-29 |
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| [GA](#17-0-1000) | 17.0.1000.7 | 2025-11-18 |
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For release history on other editions, see the following articles:
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- Container tags can vary by release. For a list of available tags, see [RHEL](https://mcr.microsoft.com/product/mssql/rhel/server/tags) and [Ubuntu](https://mcr.microsoft.com/product/mssql/server/tags) in the Microsoft Artifact Registry.
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<a id="17-0-4006"></a>
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## CU 1 (January 2026)
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This is the Cumulative Update 1 (CU 1) release of [!INCLUDE [sql-server-2025](../../includes/versions/sql-server-2025.md)]. The [!INCLUDE [sql-server-database-engine](../../includes/versions/sql-server-database-engine.md)] version for this release is 17.0.4006.2. For information about the fixes and improvements in this release, see the [Support article](../sqlserver-2025/cumulativeupdate1.md).
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> [!NOTE]
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> **Red Hat 10** and **Ubuntu 24.04** are fully supported on [!INCLUDE [sql-server-2025](../../includes/versions/sql-server-2025.md)], starting with CU 1.
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### Package details
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For manual or offline package installations, you can download the RPM and Debian packages with the information in the following table:
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| Distribution | Package version | Downloads |
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| --- | --- | --- |
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| **RHEL 10.x RPM packages**<br /><br />(Get RPM packages for [RHEL 9.x](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/ce/b11d/)) | 17.0.4006.2-1 | [Database Engine RPM package](https://packages.microsoft.com/rhel/10/mssql-server-2025/Packages/29/5f5c/mssql-server-17.0.4006.2-1.x86_64.rpm)<br />[Extensibility RPM package](https://packages.microsoft.com/rhel/10/mssql-server-2025/Packages/da/2fb6/mssql-server-extensibility-17.0.4006.2-1.x86_64.rpm)<br />[Full-Text Search RPM package](https://packages.microsoft.com/rhel/10/mssql-server-2025/Packages/3c/d5c5/mssql-server-fts-17.0.4006.2-1.x86_64.rpm)<br />[High Availability RPM package](https://packages.microsoft.com/rhel/10/mssql-server-2025/Packages/99/d17d/mssql-server-ha-17.0.4006.2-1.x86_64.rpm)<br />[PolyBase RPM package](https://packages.microsoft.com/rhel/10/mssql-server-2025/Packages/5c/afba/mssql-server-polybase-17.0.4006.2-1.x86_64.rpm) |
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| **Ubuntu 24.04 Debian packages**<br /><br />(Get Debian packages for [Ubuntu 22.04](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/47/5a7a/)) | 17.0.4006.2-1 | [Database Engine Debian package](https://packages.microsoft.com/ubuntu/24.04/mssql-server-2025/pool/main/04/fe0b/mssql-server_17.0.4006.2-1_amd64.deb)<br />[Extensibility Debian package](https://packages.microsoft.com/ubuntu/24.04/mssql-server-2025/pool/main/72/2407/mssql-server-extensibility_17.0.4006.2-1_amd64.deb)<br />[Full-Text Search Debian package](https://packages.microsoft.com/ubuntu/24.04/mssql-server-2025/pool/main/6e/0549/mssql-server-fts_17.0.4006.2-1_amd64.deb)<br />[High Availability Debian package](https://packages.microsoft.com/ubuntu/24.04/mssql-server-2025/pool/main/17/c130/mssql-server-ha_17.0.4006.2-1_amd64.deb)<br />[PolyBase Debian package](https://packages.microsoft.com/ubuntu/24.04/mssql-server-2025/pool/main/0f/ca21/mssql-server-polybase_17.0.4006.2-1_amd64.deb) |
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Go back to the [release history](#release-history).
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<a id="17-0-1000"></a>
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## GA (November 2025)
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| Distribution | Package version | Downloads |
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| --- | --- | --- |
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| **RHEL 9.x RPM packages** | 17.0.1000.7-7 | [Database Engine RPM package](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/m/mssql-server-17.0.1000.7-7.x86_64.rpm)<br />[Extensibility RPM package](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/m/mssql-server-extensibility-17.0.1000.7-7.x86_64.rpm)<br />[Full-Text Search RPM package](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/m/mssql-server-fts-17.0.1000.7-7.x86_64.rpm)<br />[High Availability RPM package](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/m/mssql-server-ha-17.0.1000.7-7.x86_64.rpm)<br />[PolyBase RPM package](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/m/mssql-server-polybase-17.0.1000.7-7.x86_64.rpm) |
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| **Ubuntu 22.04 Debian packages** | 17.0.1000.7-7 | [Database Engine Debian package](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/m/mssql-server/mssql-server_17.0.1000.7-7_amd64.deb)<br />[Extensibility Debian package](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/m/mssql-server-extensibility/mssql-server-extensibility_17.0.1000.7-7_amd64.deb)<br />[Full-Text Search Debian package](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/m/mssql-server-fts/mssql-server-fts_17.0.1000.7-7_amd64.deb)<br />[High Availability Debian package](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/m/mssql-server-ha/mssql-server-ha_17.0.1000.7-7_amd64.deb)<br />[PolyBase Debian package](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/m/mssql-server-polybase/mssql-server-polybase_17.0.1000.7-7_amd64.deb) |
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| **RHEL 9.x RPM packages** | 17.0.1000.7-7 | [Database Engine RPM package](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/f2/c293/mssql-server-17.0.1000.7-7.x86_64.rpm)<br />[Extensibility RPM package](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/73/5579/mssql-server-extensibility-17.0.1000.7-7.x86_64.rpm)<br />[Full-Text Search RPM package](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/6a/b338/mssql-server-fts-17.0.1000.7-7.x86_64.rpm)<br />[High Availability RPM package](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/e5/94a2/mssql-server-ha-17.0.1000.7-7.x86_64.rpm)<br />[PolyBase RPM package](https://packages.microsoft.com/rhel/9.0/mssql-server-2025/Packages/77/ab98/mssql-server-polybase-17.0.1000.7-7.x86_64.rpm) |
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| **Ubuntu 22.04 Debian packages** | 17.0.1000.7-7 | [Database Engine Debian package](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/be/1f46/mssql-server_17.0.1000.7-7_amd64.deb)<br />[Extensibility Debian package](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/a9/54a3/mssql-server-extensibility_17.0.1000.7-7_amd64.deb)<br />[Full-Text Search Debian package](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/53/13f0/mssql-server-fts_17.0.1000.7-7_amd64.deb)<br />[High Availability Debian package](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/f1/5df7/mssql-server-ha_17.0.1000.7-7_amd64.deb)<br />[PolyBase Debian package](https://packages.microsoft.com/ubuntu/22.04/mssql-server-2025/pool/main/f1/3837/mssql-server-polybase_17.0.1000.7-7_amd64.deb) |
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Go back to the [release history](#release-history).
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‎support/sql/releases/sqlserver-2022/build-versions.md‎

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title: SQL Server 2022 build versions (KB5023451)
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description: This article lists cumulative update and GDR builds for SQL Server 2022.
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ms.date: 11/13/2025
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ms.date: 01/28/2026
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| Cumulative update name | SQL Server build version | SQL Server (sqlservr.exe) file version | Analysis Services build version | Analysis Services (msmdsrv.exe) file version | Knowledge Base number | Release date |
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|---------------|-------------|-----------------|-------------|-----------------|------------------------------------|--------------------|
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| CU23 (Latest) | 16.0.4235.2 | 2022.160.4235.2 | 16.0.43.252 | 2022.160.43.252 | [KB5074819](cumulativeupdate23.md) | January 15, 2026 |
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| CU23 (Latest) | 16.0.4236.2 | 2022.160.4236.2 | 16.0.43.252 | 2022.160.43.252 | [KB5078297](cumulativeupdate23.md) | January 29, 2026 |
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| CU22 | 16.0.4225.2 | 2022.160.4225.2 | 16.0.43.252 | 2022.160.43.252 | [KB5068450](cumulativeupdate22.md) | November 13, 2025 |
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| CU21 | 16.0.4215.2 | 2022.160.4215.2 | 16.0.43.247 | 2022.160.43.247 | [KB5065865](cumulativeupdate21.md) | September 11, 2025 |
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| CU20 | 16.0.4205.1 | 2022.160.4205.1 | 16.0.43.247 | 2022.160.43.247 | [KB5059390](cumulativeupdate20.md) | July 10, 2025 |

‎support/sql/releases/sqlserver-2022/cumulativeupdate23.md‎

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title: Cumulative Update 23 for SQL Server 2022 (KB5074819)
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description: This article contains the summary, known issues, improvements, fixes, and other information for SQL Server 2022 Cumulative Update 23 (KB5074819).
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ms.date: 01/20/2026
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title: Cumulative Update 23 for SQL Server 2022 (KB5078297)
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description: This article contains the summary, known issues, improvements, fixes, and other information for SQL Server 2022 Cumulative Update 23 (KB5078297).
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ms.custom: sap:Installation, Patching, Upgrade, Uninstall, evergreen, KB5074819
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ms.custom: sap:Installation, Patching, Upgrade, Uninstall, evergreen, KB5078297
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# KB5074819 - Cumulative Update 23 for SQL Server 2022
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# KB5078297 - Cumulative Update 23 for SQL Server 2022
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_Release Date:_ &nbsp; January 15, 2026
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_Version:_ &nbsp; 16.0.4235.2
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_Release Date:_ &nbsp; January 29, 2026
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_Version:_ &nbsp; 16.0.4236.2
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## Summary
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> [!IMPORTANT]
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> This update is temporarily unavailable for download because of a [known issue related to Database Mail](#database-mail-stops-working-after-updating).
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This article describes Cumulative Update package 23 (CU23) for Microsoft SQL Server 2022. This update contains 15 [fixes](#improvements-and-fixes-included-in-this-update) that were issued after the release of SQL Server 2022 Cumulative Update 22. It updates components in the following builds:
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- SQL Server - Product version: **16.0.4235.2**, file version: **2022.160.4235.2**
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- SQL Server - Product version: **16.0.4236.2**, file version: **2022.160.4236.2**
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## Known issues in this update
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### Database Mail stops working after updating
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> [!IMPORTANT]
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> The initial release of this cumulative update (KB5074819), released on January 15, 2026, contained an issue that caused Database Mail to stop working. You might also see the following error message:
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>
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> > Could not load file or assembly 'Microsoft.SqlServer.DatabaseMail.XEvents, Version=17.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91' or one of its dependencies. The system cannot find the file specified.
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> This issue affects SQL Server product version **16.0.4235.2** and file version **2022.160.4235.2**.
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> This issue is resolved in the current version of this cumulative update (KB5078297).
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> If you downloaded the initial release of this update, don't install it. Download and install the current version instead.
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> If you already installed the initial release, [uninstall](/sql/sql-server/install/uninstall-a-cumulative-update-from-sql-server) it or install the current version to restore Database Mail functionality.
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> Future cumulative updates also contain the fix for this issue. You can install them regardless of which version of this cumulative update is currently installed.
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> Email messages queued through Database Mail while the initial release was installed aren't automatically resent when you uninstall it or install a cumulative update that contains the fix.
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[!INCLUDE [database-mail-stops](../includes/database-mail-stops.md)]
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## Known issues in this update
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| :------------------------------------ | :---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :------------------------------- | :-------------------------------------- | :------- |
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| <a id=4676249>[4676249](#4676249)</a> | Fixes an issue in which backup log operations fail and return an error that indicates that `BACKUP LOG` is not allowed while the recovery model is `SIMPLE`. | SQL Server Engine | Backup Restore | Windows |
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| <a id=4710575>[4710575](#4710575)</a> | Fixes an AV assertion issue in `DbMgrPartner` that's related to new log readiness notifications. | SQL Server Engine | High Availability and Disaster Recovery | All |
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| <a id=4769216>[4769216](#4769216)</a> | Fixes an issue in which non-yielding scheduler dump files are generated when SSL connections are closed under high CPU load. | Conectivity | Protocols | All |
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| <a id=4769216>[4769216](#4769216)</a> | Fixes an issue in which non-yielding scheduler dump files are generated when SSL connections are closed under high CPU load. | Connectivity | Protocols | All |
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| <a id=4783675>[4783675](#4783675)</a> | Fixes an issue in which upgrading from SQL Server 2019 to SQL Server 2022 might cause the upgrade process to stop responding during the model database upgrade phase. | SQL Server Engine | Programmability | All |
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| <a id=4783748>[4783748](#4783748)</a> | Changes the behavior of the program to return error 19544 instead of returning an assert when you create an availability group that has a name that's longer than 64 characters by using `cluster_type = NONE` or `EXTERNAL`. | SQL Server Engine | High Availability and Disaster Recovery | All |
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| <a id=4796333>[4796333](#4796333)</a> | Fixes an issue that causes crashes when an invalid ID type is returned from the Domain Controller in LookupAccountSid. | SQL Server Engine | Linux | Linux |
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The following update is available from the Microsoft Update Catalog:
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- :::image type="icon" source="../media/download-icon.png" border="false"::: [Download the cumulative update package for SQL Server 2022 CU23 now](https://www.catalog.update.microsoft.com/Search.aspx?q=KB5074819)
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- :::image type="icon" source="../media/download-icon.png" border="false"::: [Download the cumulative update package for SQL Server 2022 CU23 now](https://www.catalog.update.microsoft.com/Search.aspx?q=KB5078297)
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<summary><b>File hash information</b></summary>
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You can verify the download by computing the hash of the _SQLServer2022-KB5074819-x64.exe_ file through the following command:
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You can verify the download by computing the hash of the _SQLServer2022-KB5078297-x64.exe_ file through the following command:
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`certutil -hashfile SQLServer2022-KB5078297-x64.exe SHA256`
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| SQLServer2022-KB5074819-x64.exe | 6DD251B27E916C80231B0278A799CA8AF7479461038A53254F7C906408425591 |
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| SQLServer2022-KB5078297-x64.exe | 0CE7132AD63F2CACA7805FFDF0A6375D97856ECFED5DC6104CA8F542F19CDDB3 |
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Download [the list of files that are included in KB5078297](https://download.microsoft.com/download/a6ad69f8-3a68-4b3e-95a6-e56ef2be6ebb/KB5078297.csv).
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</details>
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