配置工具->Sql Server Configuration Manager->MSSQLSERVER的协议
看看TCP/IP协议是否启动,如果启动,右键菜单点"属性" ,在分页菜单中选"IP地址",把"IP1"和"IP2"中"TCP端口"为1433,
"已启用"改为"是"
配置工具->Sql Server Configuration Manager->SQL Native Client 配置->客户端协议->TCP/IP
选择TCP/IP右键菜单中"属性",确认"默认端口"是1433,"已启用"为"是"
