Merge pull request #192297 from rpsqrd/patch-1

Clarifying ARM and 32-bit OSes are not supported

Author: PRMerger13

articles/azure-arc/servers/prerequisites.md

@@ -1,7 +1,7 @@
 ---
 title: Connected Machine agent prerequisites
 description: Learn about the prerequisites for installing the Connected Machine agent for Azure Arc-enabled servers.
-ms.date: 03/14/2022
+ms.date: 03/21/2022
 ms.topic: conceptual 
 ---
 
@@ -21,18 +21,18 @@ Azure Arc-enabled servers does not support installing the agent on virtual machi
 
 ## Supported operating systems
 
-The following versions of the Windows and Linux operating system are officially supported for the Azure Connected Machine agent:
+The following versions of the Windows and Linux operating system are officially supported for the Azure Connected Machine agent. Only x86-64 (64-bit) architectures are supported. x86 (32-bit) and ARM-based architectures, including x86-64 emulation on arm64, are not supported operating environments.
 
 * Windows Server 2008 R2 SP1, 2012 R2, 2016, 2019, and 2022
   * Both Desktop and Server Core experiences are supported
   * Azure Editions are supported when running as a virtual machine on Azure Stack HCI
 * Azure Stack HCI
-* Ubuntu 16.04, 18.04, and 20.04 LTS (x64)
-* CentOS Linux 7 and 8  (x64)
-* SUSE Linux Enterprise Server (SLES) 12 and 15 (x64)
-* Red Hat Enterprise Linux (RHEL) 7 and 8 (x64)
-* Amazon Linux 2 (x64)
-* Oracle Linux 7 and 8 (x64)
+* Ubuntu 16.04, 18.04, and 20.04 LTS
+* CentOS Linux 7 and 8
+* SUSE Linux Enterprise Server (SLES) 12 and 15
+* Red Hat Enterprise Linux (RHEL) 7 and 8
+* Amazon Linux 2
+* Oracle Linux 7 and 8
 
 > [!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).