Activating Enterprise Extensions 

All Extensions bundled in an Enterprise Add-On must be explicitly released (or activated) for use after you have installed R/3 Enterprise. To do this, use the transaction FIBF.

Procedure

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       1.      Open the transaction FIBF.

       2.      To activate the Extensions, choose Settings  →Identification  → SAP Applications.

       3.      Set the Active flag for all the Extensions that are to be released.

       4.      Save your settings.