Cannot connect to local SQL Server with Management Studio

Question

I m having an issue with SQL Server  I have 2005 installed on my desktop as well as having SQL Server Management Studio installed    I ve checked and can see  SQL Server  SQLEXPRESS   started in services   I ve tried to connect to  Local  and  SQLEXPRESS  but both fail to connect      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    Net   SqlClient Data Provider    Anything else I need to do to connect to it      UPDATE  I seem to be getting a little further along now  Ive managed to connect to my server with SQL Server Management  FYI   SQLEXPRESS did the trick   but now im having a issue with my connection string in my web config  Ive im going to connect to this local sql server using windows authentication how do i need to structure it    Something like this    lt add name  BensBoxing  connectionString  Data Source   SQLEXPRESS Initial Catalog BritBoxing Alpha Integrated Security False User Instance True  providerName  System Data SqlClient   gt    This produces a error about   Login failed for user

User · Accepted Answer

Check the sql log in the LOG directory of your instance - see if anything is going on there. You'll need to stop the service to open the log - or restart and you can read the old one - named with .1 on the end.

With the error you're getting, you need to enable TCP/IP or Named pipes for named connections. Shared memory connection should work, but you seem to not be using that. Are you trying to connect through SSMS?

In my log I see entries like this...

Server local connection provider is ready to accept connection on [\\.\pipe\mssql$sqlexpress\sql\query ]

As the comments said, .\SQLEXPRESS should work. Also worstationName\SQLEXPRESS will work.

User · Answer

Open Sql server 2014 Configuration Manager   Click Sql server services and start the sql server service if it is stopped  Then click Check SQL server Network Configuration for TCP IP Enabled  then restart the sql server management studio  SSMS  and connect your local database engine

User · Answer

Same as matt said  The  SQL Server SQLEXPRESS   was stopped  Enabled it by opening Control Panel   Administrative Tools   Services  right-clicking on the  SQL Server SQLEXPRESS   service and selecting  Start  from the available options  Could connect fine after that

User · Answer

I was having this problem on a Windows 7  64 bit  after a power outage  The SQLEXPRESS service was not started even though is status was set to  Automatic  and the mahine had been rebooted several times  Had to start the service manually

User · Answer

Try to see  if the service  SQL Server  MSSQLSERVER   it s started  this solved my problem

[sql] Cannot connect to local SQL Server with Management Studio

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