National e-Science Centre OGSI and Microsoft.NET Course Report e-Science Institute 9-10th September 03 The first OGSI on Microsoft .NET course, provided as part of a collaboration between NeSC, EPCC and Microsoft Research Ltd and held at the UK e-Science Institute in Edinburgh, was held on September 9-10th 2003. Thirteen delegates attended the course from a range of institutions across the UK involved in eScience. The research interests of the attendees included automated reasoning, particle physics and Grid research. The goals of the course were to provide attendees with information on both the Open Grid Services Infrastructure and Microsoft .NET and to demonstrate the applicability of Microsoft .NET to the development and hosting of Grid services. An implementation of OGSI on .NET MS.NETGrid-OGSI - was used as a focus for this demonstration. Both lectures and practicals were used to facilitate the achievement of these goals. The attendees viewed the course very positively and worth their while attending. The hands-on Grid service development practicals were viewed as particularly useful and interesting. The majority of attendees expressed an intent to use MS.NETGrid-OGSI in the near future for applications development, inter-operability testing, benchmarking and learning more about Microsoft .NET technologies. The e-Science Institute will host another run of the OGSI on Microsoft.NET training course on November 4-5th 2003. Registration for this course is now open. Mike Jackson EPCC University of Edinburgh