Merge pull request #3905 from uyuni-project/5.1-note-about-migration

Note about pre-installation of 5.1 server before migration

Author: 0rnela

modules/installation-and-upgrade/pages/container-deployment/mlm/server-migration-mlm.adoc

@@ -80,6 +80,14 @@ mgradm migrate podman <oldserver.fqdn> --prepare
 ----
 ====
 
+
+[IMPORTANT]
+====
+Do not pre-install {productname} on the prepared {sle-micro} {microversion} or {sles} {bci-suma} system. 
+The migration process is designed to perform the server installation automatically.
+Running [command]``mgradm install`` and then [command]``mgradm migrate``  is not supported and will lead to an unsupported system state.
+====
+
 .Procedure: Initial Preparation on the 4.3 Server
 . Stop the {productname} services:
 +
@@ -95,8 +103,6 @@ systemctl stop postgresql
 
 === SSH Connection Preparation
 
-Pre-installing {productname} on the prepared {sl-micro} or {sles}  with [litaral]``mgradm`` is not necessary.
-The migration process will take care of the server installation.
 
 .Procedure: Preparing the SSH Connection
 . Ensure that for [systemitem]``root`` an SSH key exists on the new {productnumber} server.