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The Secure Store Service in SharePoint 2010 replaces the Single Sign-on Shared Service of MOSS 2007 and provides an easy way to map user credentials of external resources like SAP systems to Windows users. During the process of developing SAP interfaces using the very handy ERPConnect library from Theobald Software you have to open a R3 connection with the SAP system using SAP account credentials (username and password).

In most cases you will use a so called technical user with limited access rights to execute or query objects in SAP, but a SAP system saves a lot of sensitive data which cannot all be shown to all users. So, creating a new secure store in SharePoint 2010 to save the SAP user credentials will be the solution. Accessing the secure store from program code is quite simple.

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