When you try to connect to a SQL Server database from a client application, under certain circumstances, you might get the below error message: A connection was successfully established with the server, but then an error occurred during the login process. (provider: Named Pipes Provider, error: 0 – No process is on the other end of the pipe.)
There are 2 things you can try in order to overcome this problem:
The first check involves ensuring that the maximum number of concurrent connections is set to 0 (in SSMS right-click on instance –> connections –> maximum number of concurrent connections), which means unlimited.
The second check involves ensuring that in your connection string, in the client application, along with the rest of the settings, the database name is correct:
string connString="Server=[SERVER_NAME]; Database=[DATABASE_NAME]; User ID = [USER_NAME]; Password=[PASSWORD]";
For example, in the case where you specified a database that does not exist, even though the connection to the SQL Server instance will be established, the provider will not be able to find the database thus resulting to the above error message.
I hope you found this tip useful and you managed to resolve the issue.
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Reference: SQLNetHub.com (https://www.sqlnethub.com)
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