Globally Restrict Changes to Report Layouts

  • by Maria Nikolova, SAP Senior Expert, National Electricity Company
  • May 15, 2008
Prevent users from changing the SAP List Viewer report layouts by restricting access using authorization object S_ALV_LAYO.
Key Concept
S_ALV_LAYO is an authorization object that you can use to control user access for globally changing the SAP List Viewer report layouts. S_ALV_LAYO allows you to define authorizations in the user role, which provides the necessary rights for accessing and editing company data.

The SAP List Viewer (ALV) simplifies lists and reports by providing users with standardized interfaces and list formats. The ALV grid control, a piece of functionality within the ALV, arranges reports in a grid format. When you start some reports in SAP SCM, the ALV grid control automatically activates. For example, you can run transaction code IW38 (change Plant Maintenance [PM] orders: list of orders), which brings you to a report in which the ALV grid control is automatically activated. Figure 1 displays a PM orders table with the ALV grid control that contains options for the ALV in the function toolbar. In the output table, the ALV presents you with several actions, such as resizing columns, moving columns using the drag and drop functionality, and sorting the list by several columns simultaneously.

In this article, I’ll explain how to use authorization object S_ALV_LAYO (ALV standard layout) to restrict users’ access to changing report layouts. This process applies to R/3 4.6C and higher.

Maria Nikolova

Maria Nikolova has worked as a senior SAP expert for the National Electricity Company (NEK) in Bulgaria since January 1999. Maria has a master’s degree in telecommunications as an engineer from the Technical University in Sofia, Bulgaria. She has experience with an MIS project implementation of SAP R/3 (headquarters and rollout), the authorization concept and user administration, SAP Customer Competence Center (SAP CCC) , SRM, and the SD, HR, CO, Asset Management (AM), MM, and PM modules. Prior to joining NEK, she worked as a manager of Equipment Engineering Ltd. for four years.

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