Exchange 2013/2019 Coexistence - Install the Exchange 2019 prerequisites - Part 8 of 18d

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Edward van Biljon
Experienced Messaging Specialist with a demonstrated history of working in the information technology and services industry.
In this subpart ("d"), we cover the following: PrepareAD and PrepareSchema. These two commands need to be run prior to your installation and Active Directory needs to replicate the changes before you continue to the final part.

Video Steps

1. Launch CMD Elevated

Click on Start and then type in CMD and right click on it and select "Run as Administrator".

2. Open Exchange 2019 ISO

In your downloads folder, double click on the Exchange 2019 ISO and take note of the drive letter.

3. Start running commands

In the cmd window, navigate to the drive letter from the previous step. Run the following command: Setup /PrepareAD /IacceptExchangeServerLicenseTerms - once complete move to the next step.

4. Run next command

From the same CMD window, run the last command: Setup /PrepareSchema /IacceptExchangeServerLicenseTerms and when complete, reboot your Exchange Server.
This article will guide you how to configure your Exchange server to use external DNS servers for external DNS lookups. This is for Exchange 2013 or higher versions. It is recommended to configure the DNS servers for flawless mail flow.
Azure OpenAI service, a cloud-based service offered by Microsoft, has recently been made generally available to the public, providing developers with access to large advanced AI models.

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