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1. In Performance Center, from the left navigation, click Setup > System Settings.
   You see the Performance System Parameters workspace.
2. Select the row for Sys Item 26, right-click and select Edit.
3. Select one of the following values.
   
   • U (Unchecked). The Process Across Change checkbox is cleared, displaying no check mark.
   • C (Checked). The Process Across Change checkbox is selected, displaying a check mark.
   The new value appears in the corresponding Sys Value field.

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