Name Pipes Provider Error 40
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SQL Server ★★★★★★★★★★★★★★★ SQL Server ConnectivityMarch 31, 200738
Could Not Open A Connection To Sql Server Error 2
Share 0 0 This error was most frequently hitted by our customers, named pipes provider could not open a connection to sql server 53 . (microsoft sql server error 53) andin this post,give a brief summary of troubleshooting tips for this specific error message. First,take a look at below MSDN
Named Pipes Provider Could Not Open A Connection To Sql Server 53 . Linked Server
forum link lists about this topic: http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=192622&SiteID=1 https://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1287189&SiteID=1 http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=348662&SiteID=1 http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=1334187&SiteID=17 http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1292357&SiteID=1 http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=136253&SiteID=1 http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=322792&SiteID=1 https://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=763875&SiteID=1 The various causes fall into five categories: 1 Incorrect connection string, such as using SqlExpress. 2 NP was not enabled on the SQL instance. 3 error 40 could not open a connection to sql server 2014 Remote connection was not enabled. 4 Server not started, or point to not a real server in your connection string. 5 Other reasons such as incorrect security context. Let's go throught the detail one by one: I. Incorrect connection string, such as using SqlExpress. Check out: http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=558456&SiteID=17 https://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1245564&SiteID=1 The typical error when dealing with Express includes: a. User is not aware of SqlExpress was installed as a named instance, consequently, in his/her connection string, he/she only specify ".","localhost" etc instead of ".SqlExpress" or "
Related Tips: More > SQL Server Configurations Problem Sometimes you may have issues connecting to SQL Server and you may get messages such as the following: ERROR: (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL
Named Pipes Provider Could Not Open A Connection To Sql Server 5 Linked Server
Server) (Microsoft SQL Server, Error:) An error has occurred while establishing a connection to the
Error 40 Could Not Open A Connection To Sql Server Visual Studio
server. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 5) Or An error error 40 in sql server 2014 has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, https://blogs.msdn.microsoft.com/sql_protocols/2007/03/31/named-pipes-provider-error-40-could-not-open-a-connection-to-sql-server/ error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 1326) Or A network-related error 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: TCP Provider, error: 0 - No such host is known.) (Microsoft SQL Server, Error: 11001) These errors could be for either https://www.mssqltips.com/sqlservertip/2340/resolving-could-not-open-a-connection-to-sql-server-errors/ Named Pipes connections or TCP/IP connections. In this tip, we look at what may be causes to these errors and how to resolve. Solution There could be several reasons you get these error messages. Follow the below steps to see if you can resolve the issue. Step 1Make sure you are able to ping the physical server where SQL Server is installed from the client machine. If not, you can try to connect to the SQL Server using an IP Address (for default instance) or IP Address\Instance Name for a named instance. If it resolves using an IP address, you can add the SQL Server machine into /etc/host file. To add the entry in the /host file type %SystemRoot%\system32\drivers\etc\ in the run window and open the host file using Notepad. In the below image I added IP address 74.200.243.253 with a machine name of SQLDBPool. Now I should be able to use the machine name instead of the IP address to connect to the SQL Server. Step 2 Make sure the SQL services are running You can check the SQL Server services by using the SC command or SQL Server Configuration Manager. Many times you may find that the SQL Server instance is not running. Using SQL Server Configuration Manager Using SC command Please note for a named instance you have to write the command as follows using the correct instance name: sc qu
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ASP.NET Community Standup Forums Help Home/ASP.NET Forums/General ASP.NET/Configuration and Deployment/provider: Named Pipes Provider, error: 40 - Could not open a connecti... provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server”on server [Answered]RSS 9 replies Last post Feb 09, 2014 03:47 AM by anjankant ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Threads Unresolved Threads Support Options Advanced Search Reply anjankant Member 26 Points 136 Posts provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server”on server Jan 14, 2014 02:54 AM|anjankant|LINK I am facing issues “provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server”on server" 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) Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: 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) Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1016 I have already worked on given below workarounds. 1. Configuration Tools -> SQL Server Configuration Manager -> SQL Native Client Configuration Aliases -> Alias Name -> ECARE432,1433, Port Number -> 1433, Protocol -> TCP/IP, Server Name -> ECARE432 2. TCP/IP is enabled. Protocols -> TCP/IP Properties -> IP1 -> Active - Yes Enabled - Yes, IP Address - M