Solution : https://service.sap.com/sap/support/notes/806296 (SAP Service marketplace login required)
Key words :
settings underhklm\software\sap\saplogonand/orhkcu\software\sap\saplogonwhereby, system description hidecolumnsystemdescriptiononsystemtab sid hidecolumnsidonsystemtab group/server hidecolumngroupserveronsystemtab sys, hkey_local_machine\software\wow6432node\sap\saplogoncreate, hidecolumnsysnoonsystemtab message server hidecolumnmessageserveronsystemtab router, terms sap logon pad 640, sap gui 640 patch 8, system description reason, system description dword, 64-bit operating systems, system description
Related Notes :
| 1576652 | SAP Logon 7.20: Hide "Description" column in tree view |
| 563161 | SAP GUI, SAP ITS & SAP IGS patches on Service Marketplace |
| 330793 | Downloading patches |