How to Download the Latest Cumulative Update for SQL Server 2019
If you are using SQL Server 2019, you might want to keep it updated with the latest cumulative update (CU) from Microsoft. A CU is a package that contains all the fixes and improvements that have been released since the previous CU or the initial release of SQL Server 2019. In this article, you will learn what a CU is, why you should apply it, how to check your current SQL Server version and edition, how to find and download the latest CU for SQL Server 2019, and how to install it.
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What is a Cumulative Update?
A cumulative update (CU) is a type of update that contains all the fixes and improvements that have been released for a specific version of SQL Server since its initial release or the previous CU. A CU does not include any new features or functionality, but it may include security updates, performance enhancements, bug fixes, and compatibility improvements. A CU is cumulative, meaning that it includes all the previous CUs for that version of SQL Server. For example, CU20 for SQL Server 2019 includes all the fixes and improvements from CU1 to CU19.
Benefits of Applying Cumulative Updates
Applying cumulative updates can provide several benefits for your SQL Server environment, such as:
Improving the security, stability, and performance of your SQL Server instances.
Resolving known issues and bugs that may affect your SQL Server operations.
Ensuring compatibility with other applications and systems that interact with your SQL Server instances.
Staying current with the latest support lifecycle stage for your SQL Server version.
Risks of Not Applying Cumulative Updates
Not applying cumulative updates can expose your SQL Server environment to several risks, such as:
Vulnerability to security threats and attacks that may compromise your data and systems.
Encountering errors and problems that may disrupt your SQL Server operations.
Incompatibility with other applications and systems that interact with your SQL Server instances.
Losing support from Microsoft if your SQL Server version reaches the end of its support lifecycle.
How to Check Your Current SQL Server Version and Edition
Before you download and install the latest CU for SQL Server 2019, you need to check your current SQL Server version and edition. This will help you determine if you need to apply the CU or not, and which CU package to download. There are two ways to check your current SQL Server version and edition: using SQL Server Management Studio (SSMS) or using Transact-SQL (T-SQL).
Using SQL Server Management Studio
SQL Server Management Studio (SSMS) is a graphical tool that allows you to manage your SQL Server instances and databases. To check your current SQL Server version and edition using SSMS, follow these steps:
Open SSMS and connect to your SQL Server instance.
In the Object Explorer pane, right-click on your SQL Server instance name and select Properties.
In the Server Properties dialog box, click on the General page.
In the Product section, look at the Product name, Product version, and Product level fields. These will show you the name, version number, and service pack level of your SQL Server instance. For example, Microsoft SQL Server 2019 (RTM-CU20) (KB5004524) - 15.0.4123.1 (X64) means that you are running SQL Server 2019 with CU20 applied.
Using Transact-SQL
Transact-SQL (T-SQL) is a programming language that allows you to interact with your SQL Server instances and databases. To check your current SQL Server version and edition using T-SQL, follow these steps:
Open SSMS and connect to your SQL Server instance.
In the Query Editor window, type the following command and press Execute:
SELECT @@VERSION
This will return a result set that shows the name, version number, and service pack level of your SQL Server instance. For example, Microsoft SQL Server 2019 (RTM-CU20) (KB5004524) - 15.0.4123.1 (X64) means that you are running SQL Server 2019 with CU20 applied.
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How to Find and Download the Latest Cumulative Update for SQL Server 2019
Once you have checked your current SQL Server version and edition, you can find and download the latest CU for SQL Server 2019. There are two ways to find and download the latest CU for SQL Server 2019: using Microsoft Download Center or using Microsoft Update Catalog.
Using Microsoft Download Center
Microsoft Download Center is a website that allows you to download software updates, drivers, tools, and other files from Microsoft. To find and download the latest CU for SQL Server 2019 using Microsoft Download Center, follow these steps:
Go to and type SQL Server 2019 cumulative update in the search box and press Enter.
In the search results, look for the latest CU for SQL Server 2019. The CUs are numbered in ascending order, so the higher the number, the newer the CU. For example, Cumulative Update 20 for SQL Server 2019 is the latest CU as of June 2023.
Click on the CU title to go to its download page.
In the download page, read the Overview, System Requirements, and Instructions sections carefully to make sure that you understand what the CU does and how to install it.
In the Select Language section, choose the language that matches your SQL Server instance language.
In the Select File section, choose the file that matches your SQL Server edition and architecture. For example, if you are running SQL Server 2019 Standard Edition on a 64-bit system, choose SQLServer2019-KB5004524-x64.exe.
Click on Download to start downloading the file.
Save the file to a location that you can access easily.
Using Microsoft Update Catalog
Microsoft Update Catalog is a website that allows you to download software updates from Microsoft without using an automatic update service. To find and download the latest CU for SQL Server 2019 using Microsoft Update Catalog, follow these steps:
Go to and type Cumulative Update for SQL Server 2019 in the search box and press Enter.
In the search results, look for the latest CU for SQL Server 2019. The CUs are numbered in ascending order, so the higher the number, the newer the CU. For example, Cumulative Update 20 for SQL Server 2019 (KB5004524) is the latest CU as of June 2023.
In the Last Updated, Title, or Description columns, click on the link that matches your SQL Server edition and architecture. For example, if you are running SQL Server 2019 Standard Edition on a 64-bit system, click on .
In the pop-up window, click on Download to start downloading the file.
Save the file to a location that you can access easily.
How to Install the Latest Cumulative Update for SQL Server 2019
After you have downloaded the latest CU for SQL Server 2019, you can install it on your SQL Server instance. To install the latest CU for SQL Server 2019, follow these steps:
Preparing for the Installation
Before you install the CU, you should do some preparation work to ensure a smooth and successful installation, such as:
Back up your SQL Server databases and log files in case of any issues or errors during the installation.
Close any applications or processes that are using your SQL Server instance or databases.
Disable any antivirus or firewall software that may interfere with the installation.
Review the Release Notes, Known Issues, and Installation Instructions sections of the CU download page or the KB article to make sure that you understand what the CU does and how to install it.
Check the Prerequisites, Restart Requirement, and Registry Information sections of the CU download page or the KB article to make sure that you meet the requirements and follow the instructions for installing the CU.
Running the Installation Wizard
To run the installation wizard, follow these steps:
Navigate to the location where you saved the CU file and double-click on it to launch the installation wizard.
In the Welcome screen, read the license terms and select I accept the license terms and privacy statement. Then, click on Next.
In the Select Features screen, select the features or components that you want to update with the CU. You can select all features or specific features depending on your needs. Then, click on Next.
In the Check Files In Use screen, review the list of files that are in use by other applications or processes. If there are any files in use, you can either close them manually or let the wizard close them automatically. Then, click on Next.
In the Ready to Update screen, review the summary of your selections and click on Update to start installing the CU.
In the Update Progress screen, wait for the installation to complete. You can monitor the progress and status of the installation in this screen.
In the Complete screen, review the results and messages of the installation. If there are any errors or warnings, you can click on Status, Error Log, or Detailed Results to view more information. Then, click on Close.
Verifying the Installation
To verify that you have successfully installed the latest CU for SQL Server 2019, follow these steps:
If you were prompted to restart your computer during or after the installation, do so now.
If you disabled any antivirus or firewall software before the installation, re-enable it now.
If you backed up your SQL Server databases and log files before the installation, restore them now.
If you closed any applications or processes that were using your SQL Server instance or databases before the installation, reopen them now.
Open SSMS and connect to your SQL Server instance.
Check your current SQL Server version and edition using SSMS or T-SQL, as described in the previous section. You should see that your SQL Server instance has been updated with the latest CU. For example, Microsoft SQL Server 2019 (RTM-CU20) (KB5004524) - 15.0.4123.1 (X64).
Test your SQL Server instance and databases to make sure that they are working properly and that there are no issues or errors caused by the CU.
Conclusion
In this article, you have learned how to download and install the latest cumulative update for SQL Server 2019. You have also learned what a cumulative update is, why you should apply it, how to check your current SQL Server version and edition, and how to verify the installation. By applying the latest CU for SQL Server 2019, you can improve the security, stability, and performance of your SQL Server environment, as well as resolve known issues and bugs, and ensure compatibility with other applications and systems.
FAQs
Here are some frequently asked questions about downloading and installing the latest CU for SQL Server 2019:
Q: How often does Microsoft release cumulative updates for SQL Server 2019?
A: Microsoft releases cumulative updates for SQL Server 2019 every month or every other month, depending on the availability and urgency of the fixes and improvements. You can check the release history of SQL Server 2019 CUs .
Q: How can I get notified when a new cumulative update for SQL Server 2019 is available?
A: You can subscribe to the Microsoft SQL Server Release Services blog , where Microsoft posts updates and news about SQL Server 2019.
Q: Do I need to apply all the previous cumulative updates before applying the latest one?
A: No, you do not need to apply all the previous CUs before applying the latest one. A CU is cumulative, meaning that it includes all the previous CUs for that version of SQL Server. For example, CU20 for SQL Server 2019 includes all the fixes and improvements from CU1 to CU19.
Q: Do I need to restart my computer after installing a cumulative update for SQL Server 2019?
A: It depends on whether any files that are being updated are in use by other applications or processes. If there are any files in use, you will be prompted to restart your computer during or after the installation. You can also check the Restart Requirement section of the CU download page or the KB article to see if a restart is required.
Q: How can I uninstall a cumulative update for SQL Server 2019 if I encounter any issues or errors?
A: You can uninstall a CU for SQL Server 2019 using the Control Panel or the command line. To uninstall a CU using the Control Panel, follow these steps:
Open the Control Panel and click on Programs.
Click on Programs and Features.
In the list of installed programs, look for Microsoft SQL Server 2019.
Right-click on it and select Uninstall/Change.
In the Select Instance screen, select your SQL Server instance and click on Next.
In the Select Features screen, select Cumulative Update Package and click on Next.
In the Ready to Remove screen, click on Remove.
In the Removal Progress screen, wait for the uninstallation to complete.
In the Complete screen, review the results and messages of the uninstallation. If there are any errors or warnings, you can click on Status, Error Log, or Detailed Results to view more information. Then, click on Close.
To uninstall a CU using the command line, follow these steps:
Open a command prompt window as an administrator.
Navigate to the location where you saved the CU file and type the following command:
SQLServer2019-KB5004524-x64.exe /Action=Uninstall /InstanceName=YourInstanceName
Replace YourInstanceName with the name of your SQL Server instance.
This will launch the uninstallation wizard and follow the same steps as the Control Panel method. 44f88ac181
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