I have two database one on sql server 2000 and other on 2005. When i am connecting my application through web serviceit gives exception:"A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)"with sql server 2000 no such problem occurs. I have cheked the firewall and web.config connection string also.
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