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Note about pre-installation of 5.1 server before migration #3905

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Note about pre-installation of 5.1 server before migration #3905

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10 changes: 8 additions & 2 deletions ...stallation-and-upgrade/pages/container-deployment/mlm/server-migration-mlm.adoc
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Expand Up @@ -77,6 +77,14 @@ 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:
+
Expand All @@ -92,8 +100,6 @@ 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.
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