服务器类型是数据库引擎它在我的笔记本电脑上是本地的，并且它在Microsoft SQL服务器管理工作室2014付费版本仅供个人使用而不表达我认为它类似于40英镑所以我很恼火它正在播放。
TITLE: Connect to Server
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Cannot connect to DOUGLAS-LAPTOP.
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ADDITIONAL INFORMATION:
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: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 2)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&EvtSrc=MSSQLServer&EvtID=2&LinkId=20476
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The system cannot find the file specified
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BUTTONS:
OK
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答案 0 :(得分：0)
好的，让我们把它作为维基的答案。要检查的事项：