This is the error I am receiving when connecting to our SQL Server 2003 database
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) (Microsoft SQL Server, Error: 121)
"the semaphore time out has expired"
but when I try to connect using another pc its working
This is a weird error message "the semaphore time out has expired" and I've tried all the possible solution related to the link that you gave
Related
Sometimes following error happening in windows application. The error is like
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)
I am having more than 50 forms in my application and most of the times there is no error. But sometimes, there is an error like this and when I am trying to connect sql its works fine.
I have a SQL Database hosted in azure.
When I try to login, the first attempt always fails, the second works as expected.
The error I receive is
Cannot connect to databasex.database.windows.net.
------------------------------ ADDITIONAL INFORMATION:
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)
(Microsoft SQL Server, Error: 53)
For help, click:
http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&EvtSrc=MSSQLServer&EvtID=53&LinkId=20476
Why is this happening and how to solve this?
My sql server service was running fine but just yesterday, I stopped the service to quickly delete some databases it was using and ever since the instance will not run.
Giving me the error;
TITLE: Connect to Server
------------------------------
Cannot connect to master.
------------------------------
ADDITIONAL INFORMATION:
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) (Microsoft SQL Server, Error: 53)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&EvtSrc=MSSQLServer&EvtID=53&LinkId=20476
------------------------------
The network path was not found
I have tried reinstalling sql server 2008 but to no avail.
SQL Server services are all running
I'm connecting my SQL Server 2012. But I get below error message, connection failed.
I'm not sure about my server name (I forgot).
Is there anyway to get the database server name, Windows authentication username and password without logging to SQL Server?
Cannot connect to MY-SERVER.
ADDITIONAL INFORMATION:
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) (Microsoft SQL Server, Error: 2)
use ., localhost or 127.0.0.1 for local server with default instance.
I have tried any kind of name for Server Name, including ".\SQLEXPRESS", "localhost\SQLEXPRESS", "My PC Name", "MyPCName\SQLEXPRESS" but I still get the same error:
Cannot connect to .\SQLEXPRESS.
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)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476