Connecting To SQL Server Express From An ASP Application

Aug 31, 2006

I have an ASP application which is currently using a SQL 2000 Database, attaching via SQLOLEDB. I am getting ready to migrate my ASP application to .NET using SQL Server 2005 Express. The only problem, is that I am unable to connect successfully from my ASP applcation to my DB under SQL Express.

I have taken all of the steps that I have read, including the blog by Ming Lu. I still cannot be through.

I have included both the messages that are thrown and comments about the drivers and connection strings.

I have enabled TCP/IP and Named Pipes for SQL 2005 EE. I have also included the executable, port 1433, port 135, etc. in the firewall exceptions.

I have defined the DB in ODBC using both the Native Sql driver and the SQL Driver. Connection authentication is via SQL Server Authentication.

If anyone has any input, I would be grateful.

Error Messages:

Named Pipes Provider: Could not open a connection to SQL Server [53]. - using SQLNCLI - SQL Native Driver

::[DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied. - using SQLOLEDB - SQL Native Driver

::[DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied. - using SQLOLEDB - SQL Server Driver

Named Pipes Provider: Could not open a connection to SQL Server [53]. - using SQLNCLI - SQL Server Driver

connection string for SQLOLEDB: "PROVIDER='SQLOLDEB';DATA SOURCE='.SQLEXPRESS';User ID='Abilities2005';Password='abilities';Initial Catalog='nbdc2005';"

connectdion string for SQLNCLI: "PROVIDER='SQLNCLI';DATA SOURCE='.SQLEXPRESS';User ID='Abilities2005';Password='abilities';Initial Catalog='nbdc2005';


source name varied from .SQLEXPRESS, localhostSQLEXPRESS and machinenameSQLEXPRESS



Thanks, Tom

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Code Snippet

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I have reviewed much of what is in this Forum related to SQL Server 2005 Express and I find that many have had similar problems. When a connection is attempted, the following message or some minor variation appears:


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


In desparation, and at the suggestion of one of this forum's moderators, I went to try to download the SQL Server 2005 Express, Service Pack 2. I threaded my way through what I felt was an unecessarily complex set of links and finally reached a download site - but it was unclear whether or not the service pack was for SQL Server 2005 or the Express version. Giving up in dispair, it turn to you (once again BTW, I received no real help with this same question about a month ago).

Even though I seriously doubt if anyone will help me, I am willing to give it another try - mainly because I am home sick with the flu and having nothing better to do on a Sunday afternoon.

Thanks

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Problem Connecting Ti Sql Server Express 2005

Mar 29, 2006

When trying to connect to sql server express edition remotely, I get the error:

[DBNNETLIB][connection open (connect())]SERVER sql not found.



Thanks.

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SQL Server 2005 Express Connecting With DB2 Iseries

Dec 17, 2006



Hi,

I am using SQL Express 2005 sp1

When I created a linked Server to the DB2 on iseries ( V4R5) , the SELECT statement fetches me only the first record and the following message appears.

OLE DB provider "MSDASQL" for linked server "DB2TEST" returned message "[IBM][Client Access Express ODBC Driver (32-bit)]Driver not capable.".

Msg 7330, Level 16, State 2, Line 1

Cannot fetch a row from OLE DB provider "MSDASQL" for linked server "DB2TEST".

I am using 'MSDASQL' which refers to the DSN setup on my machine using the ODBC "Client Access Driver 32-bit"

Strangely when I used the same DSN in SQL 2000 within the DTS package, I was able to connect and import data and worked like a charm.

Can anyone advice me were I am going wrong.

Thanks in advance





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Connecting To SQL Server Express 2005 From Vista

Jan 18, 2007

Hi all,

I am having problems with connecting to a SQL Express server running on server 2003. I can connect with the program concerned from a windows xp client without problems. I cannot however connect from a vista machine using the software. In the logs i see the client trying to logon, wich fails with Login failed for user: 'user'. [client: clientIP] severity 14 state 8. On the vista client i have tried everything from disabling the firewall, windows defender, running the app as admin etc. I can connect using sqlcmd or the management tools with the username the app is using. This is a SQL user, we are not using windows users to connect to the DB.I also ran a app like ethereal to see what is happening packet wise, i see the login failed packet on a windows client, from a XP client everything seems fine and it starts using RPC.

Any help appreciated,

FVader

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