Master TID - Upgrade SLES11 SP4 to SLES15

This document (000019701) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 11 Service Pack 4

Situation

This is a collection of Knowledge Base articles to help you upgrading from SLES11 SP4 to SLES15

Resolution

Please do all steps in the listed order, only if the current step already work go on to the next one. Only if the feature described in one step i not used, go on to next step. 
  1. Things to do prior trying the upgrade
    • apply all available updates to SLES11 SP4 (requires LTSS)
    • verify system after applying all updates
    • take a complete backup for possible rollback if something goes wrong
  2. Things to do during the upgrade
    • it is required to apply updates during upgrade, a installation from media only will lead to additional issues, as upgrade related bugs are only fixed via online updates.
  3. Things to do after the upgrade

Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:000019701
  • Creation Date: 14-Sep-2020
  • Modified Date:24-Sep-2020
    • SUSE Linux Enterprise Server

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