Table of Contents
SQL Server Error: 53
Severity: 0
Event Logged or not: No
Description:
An error has occurred while establishing a connection to the server. When connecting to SQL Server, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 – Could not open a connection to SQL Server) (.Net SqlClient Data Provider).
Severity 0 Description:
Informational messages that return status information or report errors that are not severe. The Database Engine does not raise system errors with severities of 0 through 9.
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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 on SQL Server) (Microsoft SQL Server, Error : 53)
Microsoft SQL Server Error 53 is generated when error encountered establishing a connection to SQL Server resulted in a network-related or instance-specific problem. This error ” microsoft sql server error 53 ” can be encountered trying ODBC connection a sql server error 53 odbc error occurs. The SQL Server client may encounter SQL Server error 40 when it is unable to connect to the SQL Server instance. This error could occur if the client is unable to resolve the server’s name or if the server’s name is wrong altogether.
Seven different factors may contribute to SQL Server Error 53 and 17 and 40 and also the most common cause is a mistyped server or port name or a service is not running or a firewall. Below are list all of the possible causes of Microsoft SQL Server error 53 and 40 and 17.
1.SQL Server Error 53 and 40
An error has occurred while establishing a connection to the server. When connecting to SQL Server, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 – Could not open a connection to SQL Server) (.Net SqlClient Data Provider)
A Detailed article can be found here.
2.SQL Server Error 53 and 17
SQLState: ‘08001’
SQL Server Error: 17
[DBNETLIB][ConnectionOpen (Connect().]SQL Server does not exist or access denied.
sql server error 53 and 17 are also related. A Detailed article can be found here.
Microsoft sql server error 53 – First step in identifying errors details is looking at error log. Identifying SQL Server Error Log File used by SQL Server Database Engine can be done by reading SQL Server Error Logs. DBA can execute the XP_READERRORLOG extended stored procedure to read the SQL Server Error Log and search for its location used by the instance of SQL Server. It Stores all failed logins and other error messages very helpful for DBA.
USE master
Go
xp_readerrorlog 0, 1, N'Logging SQL Server messages in file', NULL, NULL, N'asc'
Go
The parameters for XP_READERRRORLOG are:
1. Value of error log file we would like to read. values are 0 = current, 1 = last one before current, 2 = second last before current etc…
2. Log file type:- 1 or NULL = error log, 2 = SQL Agent log
3. Search string 1:- String one you want to search for
4. Search string 2:- String two you want to search for to further refine the results
5. start time for Search
6. end time for search
7. Sort order for search results:- N’asc’ = ascending, N’desc’ = descending
By default, we have 6 Server Error Logs kept but we can increase the number of SQL Server Error Logs from the default value of six.
For other ways to read and find error log location please our artcile https://sqlserver-dba.co.uk/error-log/sql-server-identify-location-of-the-sql-server-error-log-file.html
To fix Microsoft SQL Server error 53, we must check and validate a number of things. To exclude all possibilities for this issue, check all of the parameters listed in the steps below.
SQL Server Error: 53
Severity: 0
Event Logged or not: No
Description:
An error has occurred while establishing a connection to the server. When connecting to SQL Server, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 – Could not open a connection to SQL Server) (.Net SqlClient Data Provider).
Try the above 10 solutions on SQL Server Error 53 connection related issues.
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