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Optimizing Security – March 2021 Exchange Server Updates for Older Cumulative Releases

Exchange Server Security Updates for Older Cumulative Updates
Understanding the Exchange Server Security Updates
As a cloud architect, it is important to understand the security updates for Microsoft Exchange Server. This article provides an overview of the March 2021 Exchange Server security updates that are available for older cumulative updates of Exchange Server.Why is it Important to Keep Exchange Server Updated?
In today’s world, security is a top priority for businesses. Microsoft Exchange Server is a popular email and collaboration platform used by many organizations. It is important to keep Exchange Server up to date with the latest security updates to protect against potential threats and vulnerabilities.Understanding the March 2021 Exchange Server Security Updates
The March 2021 Exchange Server security updates are available for the following Cumulative Updates (CUs): * Exchange Server 2016 CU13
* Exchange Server 2019 CU11

These updates address a total of five vulnerabilities, including four Remote Code Execution (RCE) vulnerabilities and one Denial of Service (DoS) vulnerability. The updates are available for download on the Microsoft Download Center.

Installing the Exchange Server Security Updates
It is important to install the Exchange Server security updates as soon as possible to help protect your organization from potential threats. The installation process depends on the version of Exchange Server you are using.For Exchange Server 2016
To install the March 2021 Exchange Server security updates for Exchange Server 2016 CU13, use the following steps: 1. Download the security updates from the Microsoft Download Center.
2. Install the updates on the Mailbox server.
3. Run the following command from an elevated Exchange Management Shell to install the update: Update-ExchangeSchema
4. Restart the server.

For Exchange Server 2019
To install the March 2021 Exchange Server security updates for Exchange Server 2019 CU11, use the following steps: 1. Download the security updates from the Microsoft Download Center.
2. Install the updates on the Mailbox server.
3. Run the following command from an elevated Exchange Management Shell to install the update: Update-ExchangeSchema
4. Restart the server.

Conclusion
As a cloud architect, it is important to understand the security updates for Microsoft Exchange Server. The March 2021 Exchange Server security updates are available for the Exchange Server 2016 CU13 and Exchange Server 2019 CU11. It is important to install the security updates as soon as possible to help protect your organization from potential threats.
References:
March 2021 Exchange Server Security Updates for older Cumulative Updates of Exchange Server

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