Merge pull request #15854 from ronmiab/rb-uncommented

Uncommented steps, added required text, and removed invalid alert

Author: prmerger-automator[bot]

azure-stack/hci/deploy/deployment-arc-register-server-permissions.md

@@ -57,7 +57,7 @@ Before you begin, make sure you've completed the following prerequisites:
 > [!IMPORTANT]
 > Run these steps on every Azure Stack HCI server that you intend to cluster.
 
-<!-- 1. Install the [Arc registration script](https://www.powershellgallery.com/packages/AzSHCI.ARCInstaller) from PSGallery.
+1. Install the [Arc registration script](https://www.powershellgallery.com/packages/AzSHCI.ARCInstaller) from PSGallery. **This step is only required if you're using an OS ISO that's older than 2408**. For more information, see [What's new in 2408](../whats-new.md#features-and-improvements-in-2408).
 
     # [PowerShell](#tab/powershell)
     ```powershell
@@ -89,7 +89,7 @@ Before you begin, make sure you've completed the following prerequisites:
     [Y] Yes  [N] No  [S] Suspend  [?] Help (default is "Y"): Y
     PS C:\Users\SetupUser>
     ```
-    --- -->
+
 1. Set the parameters. The script takes in the following parameters:
 
     |Parameters  |Description  |

azure-stack/hci/deploy/deployment-install-os.md

@@ -139,7 +139,9 @@ Follow these steps to configure the operating system using SConfig:
     > - Make sure that the local administrator password follows Azure password length and complexity requirements. Use a password that is at least 12 characters long and contains a lowercase character, an uppercase character, a numeral, and a special character.
     > - Do not join the servers with the Azure Stack HCI operating system installed, to the Active Directory domain prior to cloud deployment. Cluster nodes are automatically joined to a domain during the [Deployment via Azure portal](./deploy-via-portal.md).
 
-<!--## Install required Windows roles
+## Install required Windows roles
+
+**This step is only required if you're using an OS ISO that's older than 2408**. For more information, see [What's new in 2408](../whats-new.md#features-and-improvements-in-2408).
 
 Install the Hyper-V role. Run the following command on each server of the cluster:
 
@@ -154,5 +156,4 @@ You are now ready to register the Azure Stack HCI server with Azure Arc and assi
 ## Next steps
 
 - (Optional) [Configure proxy settings for Azure Stack HCI, version 23H2](../manage/configure-proxy-settings-23h2.md).
-- [Register Azure Stack HCI servers in your system with Azure Arc and assign permissions](./deployment-arc-register-server-permissions.md).
-
+- [Register Azure Stack HCI servers in your system with Azure Arc and assign permissions](./deployment-arc-register-server-permissions.md).

azure-stack/hci/deploy/deployment-introduction.md

@@ -15,8 +15,6 @@ ms.subservice: azure-stack-hci
 
 This article is the first in the series of deployment articles that describe how to deploy Azure Stack HCI, version 23H2. This article applies to both single and multi-node deployments. The target audience for this article is IT administrators who are responsible for deploying Azure Stack HCI in their organization.
 
-[!INCLUDE [important-23h2](../../includes/hci-important-deploy-23h2.md)]
-
 ## About deployment methods
 
 In this release, you can deploy Azure Stack HCI using one of the following methods: