provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified

本文转载自查看原文 2013-02-20 22:25 3663 .NET开发/ sql

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)

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参考：

http://social.msdn.microsoft.com/Forums/zh-CN/sqlexpress/thread/8cdc71eb-6929-4ae8-a5a8-c1f461bd61b4

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猜您在找 EF框架更新到SQL SERVER时报错 provider: SQL Network Interfaces, error: 26 - 定位指定的服务器/实例时出错 iis 使用 LocalDB 报错：provider: SQL Network Interfaces, error: 50 Ef Code First 发生”provider: SQL Network Interfaces, error: 26 - 定位指定的服务器/实例时出错“错误 SQL Network Interfaces error: 26 - 定位指定的服务器/实例时出错 System.Data.SqlClient.SqlException: 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: SQL Network Interfaces, error: 26 - 定位指定的服务器/实例时出错) 【总算解决了】A network-related or instance-specific error occurred while establishing a connection to SQL Server A network-related or instance-specific error occurred while establishing a connection to SQL Server SQL Network Interfaces, error: 50 - 发生了 Local Database Runtime 错误。无法创建自动实例。 Sqlcmd: Error: Microsoft SQL Server Native Client 10.0 : A network-related or instance-specific erro r has occurred while establishing a connection to SQL Server. Server is not found or not accessible SQL Server 2008 R2： error 26 开启远程连接