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sap netweaver 04 installation error at Database Instance

An error has occurred while establishing a connection to the server.

When connecting to SQL Server 2005, this failure may be caused by the fact that under the default

settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could

not open a connection to SQL Server) (.Net SqlClient Data Provider)

Please, anybody can help to resolve this issue

OS is windows 2003 server enterprise with SP2 & SQL server is 2005

Former Member
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