added fips message in extra docs

Author: eedugon

deploy-manage/deploy/cloud-enterprise/ece-software-prereq.md

@@ -12,6 +12,9 @@ products:
 
 To install ECE, make sure you prepare your environment with the following software. Pay special attention to what Linux kernel and Docker or Podman versions you plan to use and follow our recommendations. Our testing has shown that not all software combinations work well together.
 
+::::{include} /deploy-manage/deploy/_snippets/ece-supported-combinations.md
+::::
+
 * [Supported Linux kernel](#ece-linux-kernel)
 * [Linux distributions with compatible Docker versions](#ece-linux-docker)
 * [Free RAM](#ece-free-ram)

deploy-manage/deploy/cloud-enterprise/install.md

@@ -17,6 +17,10 @@ products:
 
 You can deploy {{ece}} (ECE) on public or private clouds, virtual machines, or on-premises.
 
+::::{tip}
+If you already have an ECE platform up and running, and you want to add hosts to your installation, refer to [](./install-ece-on-additional-hosts.md).
+::::
+
 In ECE, a host refers to any server, VM, or cloud instance where the ECE software is installed. An ECE platform consists of multiple hosts working together to orchestrate {{stack}} applications.
 
 For public cloud deployments, you can choose from the following providers:
@@ -25,10 +29,6 @@ For public cloud deployments, you can choose from the following providers:
 * Google Cloud Platform (GCP)
 * Microsoft Azure
 
-::::{tip}
-If you already have an ECE platform up and running, and you want to add hosts to your installation, refer to [](./install-ece-on-additional-hosts.md).
-::::
-
 ::::{note}
 In these pages we frequently refer to [Docker](https://www.docker.com/), as its currently the most common container engine, but these instructions are generally valid for [Podman](https://podman.io/) as well, with `podman` replacing `docker` in commands as appropriate.
 ::::
@@ -41,6 +41,9 @@ Before you start, make sure to [identify your deployment scenario](identify-depl
 
 After completing the prerequisites, proceed to configure your ECE hosts. This includes installing Docker or Podman, setting up XFS quotas, preparing mount points, and other required configurations.
 
+::::{include} /deploy-manage/deploy/_snippets/ece-supported-combinations.md
+::::
+
 ECE supports a [wide range of OS versions](https://www.elastic.co/support/matrix#elastic-cloud-enterprise). Below are some OS-specific instructions for preparing your hosts, though other versions follow a similar process. Choose the appropriate guide for your operating system and follow the instructions:
 
 * [Ubuntu 20.04 LTS (Focal Fossa) and Ubuntu 22.04 LTS (Jammy Jellyfish)](configure-host-ubuntu.md)

deploy-manage/security/fips.md

@@ -23,5 +23,7 @@ The Federal Information Processing Standard (FIPS) Publication 140-2, (FIPS PUB
 
 :::{note}
 If you are running {{es}} through {{eck}}, refer to [ECK FIPS compatibility](/deploy-manage/deploy/cloud-on-k8s/deploy-fips-compatible-version-of-eck.md).
+
+FIPS compliance is not officially supported in {{ece}} (ECE). While ECE may function on FIPS-enabled systems, this configuration has not been validated through our testing processes and is not recommended for production environments.
 :::