Solution : https://service.sap.com/sap/support/notes/1119698 (SAP Service marketplace login required)
Key words :
profile parameter, zdate/dstswitch_contloctime, extended time, double hours, transaction rz11, work processes, dispatcher process, sap kernel, kernel patch, note 950114
Related Notes :
950114 | Profile parameter zdate/DSTswitch_contloctime |
102088 | Reducing downtime when changing from summer to winter time |