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From: Bruno Campanini <brunocam@libero.it>
Newsgroups: comp.databases.ms-sqlserver
Subject: Re: Unable to connect Client to SQL Server
Date: Tue, 11 Mar 2014 13:37:10 +0100
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Xref: csiph.com comp.databases.ms-sqlserver:1718

Erland Sommarskog was thinking very hard :

> The error message talks about named pipes, and the error code is 5, which 
> usually means "Access is denied". There could be two reason it is trying 
> TCP/IP: TCP/IP is not enabled on the client, or it using named pipes as a
> fallback when TCP/IP fails.
>
> You could try enabling Named Pipes on the sarver, but I don't really 
> recommend it.
>
> Instead try specifying the server as SERVER,tcp to force TCP/IP to see what
> error message we get this time.
With "SERVER,192.168.1.204" I get Error 87 and Error 0
With "SERVER,tcp" the same 87 and 0
>
> Also try to make the connection from the command line with SQLCMD. It should
> give the same error, but you never know.
Command line SQLCMD from where?... not from Dos Prompt.
And what sintax?

Bruno