SQLserver2012 tcp/ip 1433端口问题解决方法
控制面板--“点击打开或关闭Windows功能”，会弹出Windows功能对话框，我们在里面找到“Telnet服务器”和“Telne客户端”两项，然后将之前的勾选上即可开启对应服务了，打上勾后，要记得点击底部的确认保存哦，如下图： 二、在cmd中键入以下指令 telnet loca
控制面板--“点击打开或关闭Windows功能”，会弹出Windows功能对话框，我们在里面找到“Telnet服务器”和“Telne客户端”两项，然后将之前的勾选上即可开启对应服务了，打上勾后，要记得点击底部的确认保存哦，如下图：
二、在cmd中键入以下指令
telnet localhost 1433
如果出现连接失败，则表明配置存在问题，请继续下步骤
三、配置tcp/ip 1433端口
1、打开SQLserver Configuration Manager工具，在sql Server service中，关闭对应的实例服务；
2、在SQLserver Network Configuration 中，找到tcp/ip 配置，双机打开，如下图
（注意：IP1-IP6 全部要enable，然后在IPall 中把动态端口全部设置为1433）
3、再把 之前关闭的实例启动即可。
四、再次验证telnet，Ok的话就说明1433端口设置成功
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