1901463 - How to unlock the SAP system to perform correction(s) during an upgrade. | SAP Knowledge Base Article

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1901463 - How to unlock the SAP system to perform correction(s) during an upgrade.

Symptom

  • How to unlock the SAP system to perform correction(s) during an upgrade.
    NOTE: This KBA does not contain what the correction(s) are but just shows the steps on how to unlock the SAP system during an upgrade.
     
  • You get the message "Upgrade in progress: no login is possible" when trying to logon
    NOTE: This KBA is in reference to upgrades performed with the Software Update Manager (SUM) tool.
     
  • You are trying to implement a Note in the system during the upgrade and get the message: "Changes in ACM are locked (decision taken by rule A)"

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Keywords

SNOTE UNLOCK , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , How To

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