In Windows 10, this is simply a tab on the Task Manager: You can do this by accessing the “Services” list in Windows. Second, ensure that the instance of SQL server has not stopped. (local)\SQLEXPRESS or (local)\MSSQLSERVER). However, it’s also possible your local instance could have a different name (e.g. If you are connecting to a local instance, this will likely be Server=(local). Application pool account has permissions to send requests to the server.Server port number (if applicable) is correct.The error above can occur if something has gone wrong with the Server=ServerName piece. In other words, let’s say your connection string is the following: Server=ServerName Database=DatabaseName There are a couple possible solutions:įirst, double-check the server name in your connection string. This is the most generic and most frustrating of the errors. (provider: Named Pipes Provider, error: 40 – Could not open a connection to SQL Server) Verify that the instance name is correct and that SQL Server is configured to allow remote connections. The server was not found or was not accessible.
#CANT CONNECT TO APP STORE HOW TO#
To that end, here’s a list of a few error messages I’ve often encountered and how to solve them: A network-related or instance-specific error occurredĪ network-related or instance-specific error occurred while establishing a connection to SQL Server. Often the error messages related to these issues were not quite clear or ended up sending me on a wild goose chase. One of the trickiest problems I encountered when I was just starting ASP.NET web development was debugging issues with my web application connecting to SQL server, especially when connecting to a local instance of SQL Server. Why Your Web Application Can’t Connect to SQL Server January 4, 2016
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