Client unable to establish connection due to prelogin failure TCP Provider: 指定的網路名稱無法使用。 Client unable to establish connection Client unable to establish connection because an error was encountered during handshakes before login. Common causes include client attempting to connect to an unsupported version of SQL Server, server too busy to accept new connections or a resource limitation (memory or maximum allowed connections) on the server.Client unable to establish connection due to prelogin failure TCP Provider: 指定的網路名稱無法使用。 Client unable to establish connection Client unable to establish connection because an error was encountered during handshakes before login. Common causes include client attempting to connect to an unsupported version of SQL Server, server too busy to accept new connections or a resource limitation (memory or maximum allowed connections) on the server.Client unable to establish connection due to prelogin failure TCP Provider: 指定的網路名稱無法使用。 Client unable to establish connection Client unable to establish connection because an error was encountered during handshakes before login. Common causes include client attempting to connect to an unsupported version of SQL Server, server too busy to accept new connections or a resource limitation (memory or maximum allowed connections) on the server.Client unable to establish connection due to prelogin failure TCP Provider: 指定的網路名稱無法使用。 Client unable to establish connection Client unable to establish connection because an error was encountered during handshakes before login. Common causes include client attempting to connect to an unsupported version of SQL Server, server too busy to accept new connections or a resource limitation (memory or maximum allowed connections) on the server.
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