1）出现这种情况的原因绝大部分是因为win8（win7）的权限问题没有解决，在连接的数据库所在的文件夹的权限不足，而引起的连接数据库异常，很多情况下win8的默认文件夹权限不是完全控制，这也是为了操作系统的更安全，解决方案是，右击数据库所在的文件夹-〉属性-〉安全点击当前系统默认的用户或用户组-〉编辑-〉在“完全控制”上打上 √ 接下来再吃连接数据库就可以了； 2）方案...

文章 2022-02-16 来自：开发者社区

SQL2008安装时，“provider: 命名管道提供程序, error: 40 - 无法打开到 SQL Server 的连接) (.Net SqlClient Data Provider)” 错误的解决方案

错误提示：在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: 命名管道提供程序, error: 40 - 无法打开到 SQL Server 的连接) (.Net SqlClient Data Provider) 解决方案: 解决方法：开始-&...

文章 2022-02-14 来自：开发者社区

SQL Server 连接服务器错误的解决方案

打开SQL Server 2008的 SQL Server Management Studio，输入sa的密码发现，无法登陆数据库？提示以下错误：“在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: 命名管道提供程序, error: 40 - 无法打开到 ....

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