Posted by Erland Sommarskog on 09/20/06 21:41

sara (sarasara82@gmail.com) writes:
> I was able to connect to MS SQL Server 2005 on my computer but after a
> while I can not. When I want to connect to it using MS SQL Server
> Management Studio I got this error:
>
> An error 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, error: 40 - Could not
> open a connection to SQL Server) (.Net SqlClient Data Provider)
>
> Error Number: 2
> Severity: 20
> State: 0

So you have SQL Server running locally? Have you checked that it is
still running?

It's not that you have SQL Express installed and you forgot to specify
the instance name?


--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/prodtechnol/sql/2005/downloads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodinfo/previousversions/books.mspx

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