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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.
    Comment: 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.
     
  • The message "Upgrade in progress: no login is possible" is reported when trying to logon to the system.
    Comment: This KBA is in reference to upgrades performed with the Software Update Manager (SUM) tool.
     
  • SNOTE reports the error during the upgrade: "Changes in ACM are locked (decision taken by rule A)".


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Environment

SAP ABAP system

Keywords

SNOTE, UNLOCK, SUM, Upgrade in progress: no login is possible, Changes in ACM are locked (decision taken by rule A) , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , How To

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