Microsoft is doing effective efforts on level on Integration with SAP. This is how Microsoft can provide a facility for its clients worldwide who use SAP Business tools to integrate with Microsoft Products and Services. I was extensively searching in depth about limitations of integrating SAP Netweaver with MOSS, Integrating SAP and SQL Server BI, SAP and Biztalk Server, SAP and Project Server and more. Through Business Data Catalog I was able to retrieve information from SAP repository into Microsoft Sharepoint Portal 2007 even I made some wonderful IVIEW. The powerful Of SAP SOA has empowered this integration.
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