Merge pull request #90904 from edyoung/patch-24

Update prerequisites.md

Author: jborsecnik

articles/azure-arc/servers/prerequisites.md

@@ -34,6 +34,10 @@ The following versions of the Windows and Linux operating system are officially
 * Amazon Linux 2
 * Oracle Linux 7 and 8
 
+> [!NOTE] 
+> On Linux, Azure Arc-enabled servers installs several daemon processes. We only support using systemd to manage these processes. In some environments, systemd may not be installed or available, in which case Arc-enabled servers is not supported, even if the distribution is otherwise supported. These environments include **Windows Subsystem for Linux** (WSL) and most container-based systems, such as Kubernetes or Docker. The Azure Connected Machine agent can be installed on the node that runs the containers but not inside the containers themselves.
+
+
 > [!WARNING]
 > If the Linux hostname or Windows computer name uses a reserved word or trademark, attempting to register the connected machine with Azure will fail. For a list of reserved words, see [Resolve reserved resource name errors](../../azure-resource-manager/templates/error-reserved-resource-name.md).