Exchange CU Download 2019: How to Get the Latest Version of Exchange Server
If you are using Exchange Server 2019, you might want to keep it updated with the latest Cumulative Updates (CUs) that Microsoft releases every quarter. CUs are packages that contain all the fixes and improvements that have been made to Exchange since the previous CU. They also sometimes add new features and functionality that can enhance your Exchange experience.
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In this article, we will explain what Exchange CU is, why you should install it, and how to download and install the latest version of Exchange CU 2019. We will also show you how to verify that your installation was successful and how to test your Exchange server after applying the update.
What is Exchange CU?
Exchange CU stands for Cumulative Update. It is a type of update that Microsoft releases for its products, including Exchange Server. A Cumulative Update contains all the fixes and changes that have been made to a product since its release or since the last Cumulative Update. Unlike other types of updates, such as security updates or critical updates, a Cumulative Update is a full installation of the product that replaces the existing version. This means that you don't need to install any previous CUs or other updates before installing a new one.
What are the benefits of installing Exchange CU?
Installing Exchange CU can bring you several benefits, such as:
Improving the performance, stability, and security of your Exchange server.
Fixing any bugs or issues that you might have encountered with your current version of Exchange.
Adding new features and functionality that can enhance your Exchange experience and capabilities.
Keeping your Exchange server compatible with other Microsoft products and services, such as Windows Server, Office 365, Azure, etc.
Staying compliant with Microsoft's support policy, which requires you to install the latest or the immediately previous CU to receive technical support.
What are the prerequisites for installing Exchange CU?
Before you install Exchange CU, you need to make sure that you meet some prerequisites, such as:
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Having a valid license for Exchange Server 2019.
Having enough disk space on your server to store and extract the CU file.
Having a backup of your Exchange server and databases in case something goes wrong during the installation.
Having a maintenance window when you can safely install the update without affecting your users or services.
Having administrator rights on your server and domain.
How to download Exchange CU 2019?
To download the latest version of Exchange CU 2019, you need to follow these steps:
Where to find the latest Exchange CU 2019?
You can find the latest version of Exchange CU 2019 on Microsoft's official download center. The current version is Cumulative Update 13 for Exchange Server 2019 (KB5020999), which was released in June 2021. You can download it from this link: .
How to mount the Exchange CU ISO image file?
After you download the Exchange CU file, which is an ISO image file, you need to mount it on your server. To do this, follow these steps:
In File Explorer, navigate to the folder where you saved the Exchange CU file and double-click on it.
A new window will open with the contents of the ISO file. Right-click on the drive letter that appears next to the ISO file and select Mount.
The ISO file will be mounted as a virtual drive on your server and you will be able to access its contents.
How to run the Exchange CU setup wizard?
Once you have mounted the Exchange CU ISO file, you can run the setup wizard to install the update. To do this, follow these steps:
In File Explorer, open the virtual drive that contains the Exchange CU file and double-click on Setup.exe.
The Exchange CU setup wizard will launch and check for any updates. Click Next to continue.
The setup wizard will perform some readiness checks and display any issues or warnings that might prevent the installation. Review the results and resolve any problems before proceeding. Click Next to continue.
The setup wizard will ask you to accept the license agreement and privacy statement. Read them carefully and check the box to agree. Click Next to continue.
The setup wizard will ask you to choose whether you want to install Exchange CU on an existing server or a new server. Select Upgrade this Exchange Server and click Next to continue.
The setup wizard will ask you to select the server roles that you want to install or upgrade. By default, all the roles that are already installed on your server will be selected. You can also add or remove any roles as needed. Click Next to continue.
The setup wizard will ask you to configure some settings, such as the installation path, the organization name, and the malware protection options. You can either accept the default values or change them as needed. Click Next to continue.
The setup wizard will perform some final readiness checks and display a summary of your choices. Review them carefully and click Upgrade to start the installation.
The setup wizard will install Exchange CU on your server and show you the progress and status of each step. This might take some time depending on your server configuration and network speed. Do not interrupt or cancel the installation process.
When the installation is complete, the setup wizard will display a message saying that Exchange CU has been successfully installed. Click Finish to close the wizard.
How to verify the installation of Exchange CU 2019?
After you install Exchange CU 2019, you need to verify that your installation was successful and that your Exchange server is working properly. To do this, you need to follow these steps:
How to check the Exchange version and build number?
To check the Exchange version and build number, you can use either of these methods:
In PowerShell, run the command Get-ExchangeServer Format-List Name, Edition, AdminDisplayVersion. This will display the name, edition, and version of your Exchange server.
In Exchange Management Shell, run the command Get-Command ExSetup ForEach $_.FileVersionInfo. This will display the file version of ExSetup.exe, which is the same as the Exchange version.
The latest version of Exchange CU 2019 is 15.2.986.9, which corresponds to Cumulative Update 13 for Exchange Server 2019 (KB5020999).
How to test the functionality of Exchange after installing Exchange CU?
To test the functionality of Exchange after installing Exchange CU, you can use either of these methods:
In PowerShell, run some cmdlets that perform common tasks on your Exchange server, such as creating a mailbox, sending an email, or checking a queue. For example, you can run New-Mailbox -Name Test -UserPrincipalName test@yourdomain.com to create a new mailbox called Test.
In Outlook Web App (OWA), log in with your credentials and try some basic operations, such as composing an email, checking your calendar, or accessing your contacts. For example, you can send an email to yourself or another recipient and verify that it is delivered successfully.
If everything works as expected, it means that your Exchange server is functioning properly after installing Exchange CU.
Conclusion
In this article, we have explained what Exchange CU is, why you should install it, and how to download and install the latest version of Exchange CU 2019. We have also shown you how to verify that your installation was successful and how to test your Exchange server after applying the update.
By following these steps, you can keep your Exchange server updated with the latest fixes and improvements that Microsoft releases every quarter. You can also enjoy new features and functionality that can enhance your Exchange experience and capabilities. You can also keep your Exchange server compatible with other Microsoft products and services, stay compliant with Microsoft's support policy, and improve the performance, stability, and security of your Exchange server.
We hope that you found this article helpful and informative. If you have any questions or feedback, please feel free to leave a comment below or contact us through our website. We would love to hear from you and help you with your Exchange needs.
FAQs
Here are some frequently asked questions that you might have about Exchange CU 2019:
What is the difference between Exchange CU and Exchange SP?
Exchange CU stands for Cumulative Update, while Exchange SP stands for Service Pack. Both are types of updates that Microsoft releases for its products, but they have some differences. A Cumulative Update contains all the fixes and changes that have been made to a product since its release or since the last Cumulative Update. A Service Pack contains all the fixes and changes that have been made to a product since its release or since the last Service Pack, plus some major enhancements and new features. A Service Pack is usually released less frequently than a Cumulative Update, and it requires a longer installation time.
How often does Microsoft release Exchange CU?
Microsoft releases Exchange CU every quarter, usually in March, June, September, and December. The exact dates may vary depending on the testing and validation process. You can check the release history of Exchange CU on this link: .
Do I need to install every Exchange CU?
No, you don't need to install every Exchange CU. You only need to install the latest or the immediately previous CU to keep your Exchange server updated and supported. For example, if the latest CU is CU13, you can install either CU13 or CU12. However, it is recommended that you install the latest CU as soon as possible to benefit from the latest fixes and improvements.
Do I need to reboot my server after installing Exchange CU?
Yes, you need to reboot your server after installing Exchange CU. This is because Exchange CU replaces the existing version of Exchange on your server, and some files and services may be locked or in use during the installation. Rebooting your server will ensure that all the changes are applied correctly and that your Exchange server is running smoothly.
How can I uninstall Exchange CU?
You cannot uninstall Exchange CU once you have installed it on your server. This is because Exchange CU is a full installation of the product that replaces the existing version. If you want to revert to a previous version of Exchange, you need to restore your server from a backup that was taken before installing Exchange CU.
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