After installing or upgrading to OES 2018 SP3, you can also install additional services and configure them.
Section 4.1, Adding/Configuring OES Services on an Existing Server
Section 4.2, Adding/Configuring OES Services on a Server That Another Administrator Installed
Section 4.3, What's Next
IMPORTANT:If you have updated a server with a Support Pack, ensure that the installation source is pointing to the latest Support Pack media.