Answer:
To perform an upgrade installation for Windows Server 2012, follow these steps:
Preparation: Before proceeding with the upgrade, ensure that you have a backup of all important data and configurations. It's crucial to have a backup in case anything goes wrong during the upgrade process.
Verify system requirements: Make sure that your hardware meets the minimum system requirements for Windows Server 2012. Check factors such as processor, RAM, disk space, and supported architectures.
Obtain installation media: Acquire a valid installation media for Windows Server 2012, either in the form of a DVD or an ISO file.
Run the installer: Insert the installation media into the server or mount the ISO file. Run the installer by either booting from the DVD or launching the setup from the mounted ISO.
Start the upgrade process: The setup will prompt you to choose between an upgrade installation or a clean installation. Select the upgrade option.
Review compatibility report: The setup will perform a compatibility check to ensure that the upgrade can proceed without issues. If any compatibility issues are found, you should address them before continuing with the upgrade.
Accept the license terms: Read and accept the license terms and agreements presented by the setup.
Choose installation type: Select the upgrade installation option when prompted. This option allows you to retain your files, settings, and installed applications.
Follow the on-screen instructions: Proceed with the installation process, following the instructions presented by the setup wizard. You may be asked to select the installation location, configure network settings, and provide user credentials.
Wait for the upgrade to complete: The setup will copy files, install features, and perform necessary configurations. This process may take some time, so be patient and avoid interrupting it.
Post-upgrade tasks: Once the upgrade is complete, review the system settings, verify that all essential services are running correctly, and reconfigure any settings that may have been reset during the upgrade.
Perform testing and validation: After the upgrade, thoroughly test the system to ensure that all applications and services are functioning as expected.
Remember to consult the official Microsoft documentation and support resources specific to Windows Server 2012 for any additional guidance or troubleshooting steps that may be necessary during the upgrade process.
Step-by-step explanation: