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SQL Server- Unable to connect to SQL Server Error 26

Error Description:

SQL server error 26- Unable to connect to SQL Express Error: 26-Error Locating Server/Instance Specified

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: SQL Network Interfaces, error: 26 – Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)

Error Details: this sql server error 26 error locating server instance message is often encountered when connection to a SQL Server is tried and don’t know where to start to solve the problem.

We get this sql server … Read the rest

SQL Server- Unable to connect to SQL Express Error: 26-Error Locating Server/Instance Specified

Error Description:

SQL server error 26- Unable to connect to SQL Express Error: 26-Error Locating Server/Instance Specified

Error Details: this sql server error 26 error locating server instance message is often encountered when connection to a SQL Server is tried and don’t know where to start to solve the problem.

We get this sql server error 26 error message only when we are trying to connect to a SQL Server named instance.

Every time we try to make a connection to SQL Server named instance, we will send a SSRP UDP packet to the server machine UDP port 1434. We need this step to know configuration information of the SQL instance, e.g., protocols enabled, TCP port, pipe name etc. Without … Read the rest

SQL Server- a network-related or instance-specific error occurred while establishing a connection to sql server

SQL Server- a network-related or instance-specific error occurred while establishing a connection to sql server

Error Details or symptoms: Can not connect to a SQL server and you get a error a network-related or instance-specific error occurred while establishing a connection to sql server

This error is seen in SQL Express installation as its installed a named instance by default with name of instance as Servername/SQLExpress.

Some other Errors Similar:

provider: named pipes provider, error: 40 – could not open a connection to sql server which is covered here.

provider: sql network interfaces, error: 26 – error locating server/instance specified which is covered here.

Resolution:

If we are connecting from Windows PC/Client to Windows server/SQL Server (server with SQL Server … Read the rest

Microsoft SQL Server Error: 53 or Microsoft SQL Server Error: 11001 or SQL Server error 53 and 40. SQL server error 53 and 17

Microsoft SQL Server Error: 53 or Microsoft SQL Server Error: 11001 or or SQL Server error 53 and 40. SQL server error 53 and 17

Details of Error:

Can not connect to SQL Server error which can be Error Number: 11001 or Error Number:53, Severity: 20, State: 0 or SQL Server error 53 and 40. SQL server error 53 and 17

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.

Connection failed
SQL State '01000'
SQL Server error 53
[microsoft][ODBC SQL Server Driver][DBNETLIB]Connection Open
Connection failed
SQL State '08001
SQL
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