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Updating Active Directory Schema to Address CVE-2021-34470 with Exchange

Cloud Architecture: Keeping Up With The Latest Exchange Product Updates
Introduction
As a cloud architect, it is essential to stay up to date with the latest product updates for Exchange. Exchange is a powerful email and collaboration system that powers many businesses and organizations around the world. Keeping up with the latest updates ensures the safety, security, and efficiency of the system. In this article, we will discuss how to update Active Directory schema to address CVE-2021-34470 if Exchange is very old or no longer installed.

Updating Active Directory Schema to Address CVE-2021-34470
Active Directory (AD) is a directory service that is used by many businesses and organizations to store and manage user and computer data. It is also used to authenticate, authorize, and secure access to the network. It is important to keep the AD schema up to date to ensure the security of the system.

The latest security update for Microsoft Exchange, CVE-2021-34470, can be addressed by updating the AD schema. This update is critical for businesses and organizations that have an old version of Exchange or no longer have Exchange installed. Microsoft provides detailed instructions on how to update the AD schema to address this vulnerability.

Steps for Updating the AD Schema
Step 1: Verify Exchange Version
The first step is to verify the version of Exchange that is currently installed. This can be done by running the cmdlet, “Get-ExchangeServer”. If the version of Exchange is older than version 2000, then the AD schema must be updated to address the vulnerability.

Step 2: Download and Install the Exchange Schema Update Tool
The next step is to download and install the Exchange Schema Update Tool. The tool can be downloaded from the Microsoft website. The tool is designed to update the AD schema to address the vulnerability.

Step 3: Run the Exchange Schema Update Tool
Once the tool is downloaded and installed, it can be run to update the AD schema. The tool will prompt for the domain name and the credentials of an administrator. The tool will then scan the domain and update the schema accordingly.

Step 4: Verify the Exchange Schema Update
Once the update is complete, it is important to verify that the update was successful. This can be done by running the cmdlet, “Get-ExchangeServer”. The output should show the version of Exchange and the version of the AD schema.

Conclusion
Keeping up with the latest product updates for Exchange is essential for cloud architects. The latest security update, CVE-2021-34470, can be addressed by updating the AD schema. Microsoft provides detailed instructions on how to update the AD schema to address this vulnerability. The steps include verifying the version of Exchange, downloading and installing the Exchange Schema Update Tool, running the tool, and verifying the update. Following these steps can help ensure the security and efficiency of the system.
References:
How to update AD schema to address CVE-2021-34470 if Exchange is very old or no longer installed

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