SQL 2005 Express Connection Problem

Jan 24, 2007

I'm a newbie to asp.net, but I have been a programmer for years.

I have a question that I'm hoping someone can give me a good answer
for, I have been trying to set up a site remotely and I've been using
the login control that comes with Visual Web Developer 2005 Express,
this comes with SQL 2005 Express.  The remote site is not a company
computer, but basically a host that I'm paying for.  When I deploy on
this remote site and try to log in I get 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: SQL Network Interfaces, error: 26 - Error
Locating Server/Instance Specified)

Using the Database Explorer I noticed that on my laptop the database
file is sitting on my C: Drive.  I also noticed that on the remote
server I deploy to has all my files on their D: Drive.  My question is
do I have to set my SQL 20005 Express file up locally exactly the way
the file will set remotely?  In other words... If, on the remote
server, my files will be on D:(url)asp_data... in order for my login
control to be able to use it, it has to be set the same way?

Also, does that remote site need to be set up with SQL 2005 express as
well? or will the site be able to work off of that file?

And Finally, I also have SQL Server 2000, if I wanted to use this login
control (the one that comes with Visual Web Developer 2005), how can I
reference this server instead of SQL 2005 Express?  It seems Visual Web
Developer 2005 wants to use it automatically.

Thanks in advance

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Connection Strings, Trusted-connection VS Username-password, SQL Server 2005 Express

Mar 9, 2007

All --
Please help.
I have some questions about connection strings.
 
BACKGROUND...

Note that I am using the "SQL Native Client OLE DB Provider", SQL Sever 2005 Express, ASP.NET, C#.NET, and VS.NET 2005.
Note that I do not want to use the "Attach a database file" type of connection string.
Note that I am using the site http://www.ConnectionStrings.com as a reference.
Note that this "Standard security" connection string...<add name="LocalSqlServer" connectionString="Server=MYTESTOFFICESERVERS;Database=MyDatabase;Uid=MyDatabaseUser;Pwd=MyDatabasePassword;" />...does not work and causes the following run-time error...A connection was successfully established with the server, but then an error occurred during the login process. (provider: Shared Memory Provider, error: 0 - No process is on the other end of the pipe.)
Note that this "Trusted connection" connection string...<add name="LocalSqlServer" connectionString="Server=MYTESTOFFICESERVERS;Database=MyDatabase;Trusted_Connection=yes;" />...works but is less-than ideal because it uses a Trusted Connection rather than a Username/Password combination.
 
QUESTIONS...
(A) What exactly does the error in Item 4 mean?
(B) Do 4 and 5 imply that one must use a Trusted_Connection for all SQL Server 2005 Express connection strings when the database does not reside in the web application's App_Data folder or use a "Attach a database file" type of connection string?
(C) Are there any alternatives?
(D) What do you suggest?
 
Please advise.
Thank you.
-- Mark Kamoski

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Aug 22, 2007

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May 10, 2007

I downloaded SQL Server 2005 Express and some sample databases (incl. Adventureworks_data.mdf), but when I try to Add Connection in VS 2005 to point to this db and use the Test Connection button, it gives the error:



---------------------------
Microsoft Visual Studio
---------------------------
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)
---------------------------



I've tried setting the data source as either "Microsoft SQL Server Database File" or "Microsoft SQL Server", but get the same error.



Any tips on verifying SQL Srv Express is installed correctly? Any ideas on how to solve this problem?



Thanks in advance.

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Mar 5, 2007

Hi,

i am stuck in a strange situation.
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But as i restart my PC and try to open my application, it is not connecting with database.
i am using the following command line to install SQL Express 2005 user define instance:

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Oct 10, 2006

Hi to all GURUS,

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One thing I am unable to find till now is : if SQLServer Express is installed on my Server machine (say ServerPC) with attached database (say MyDB.mdf), how I can access it through ADO.Net 2.0 from client machine. (using VB.Net Express)

Thanks and hope you will encourge me to use SQL Server .

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Feb 25, 2008

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Jan 22, 2008

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Things I've tried that haven't helped...

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from: sCnString = "dsn=mydsn;Database=mydatabase;uid=myuid;pwd=mypassword"

to: sCnString = "driver={SQL Native Client};server=myserverSQLEXPRESS;Database=mydatabase;uid=myuid;pwd=mypassword"

- Checked that autoclose is false.

What else can I look at?

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Dec 25, 2006

I try to use this conn string but it is not working I think the problem is with the provider
DataBaseSource = "Provider=SQLOLEDB; Password=sa2006; User ID=sa;Initial Catalog=coupon; Data Source=YAELSQLEXPRESS;"
I get error message
Microsoft OLE DB Provider for SQL Server (0x80004005)
[DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied.

do you know which provider can I use?
or maybe it is a sacurity problem

Yael

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Aug 5, 2007

I know this is an old problem that has been discussed many times but I'm having a problem getting connected to a remote SQL Express server.

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Using SQL Server Management Studio Express(SSMSE), I can see the instance of SQL, but have had no luck in attaching to it. I thought it might be a firewall problem, but I disabled them completely with no help(ZoneAlarm and Windows). The error message(below) seems to indicate that it can't see the specified SQL instance but I've checked the name multple time and I use the browse feature in SSMSE to identify it.

What am I missing? I've tried everything I can think of and I have made this work before so I'm not a total novice at it.

I would appreciate any suggestions...

Thanks

rivers
==============================================================
==============================================================
Here's the error text:

TITLE: Connect to Server
------------------------------
Cannot connect to BIGREDSQLEXPRESS.
------------------------------
ADDITIONAL INFORMATION:
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)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476
------------------------------
BUTTONS:
OK
------------------------------

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I see several posts about issues with ODBC, but none of the suggestions seem to help in this situation. Can anyone suggest something to try? Thanks in advance.

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Sep 12, 2006

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May 2, 2007

Hello
 
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I am not sure what to do.
 
 

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thanks

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Oct 31, 2005

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Jun 23, 2006

Hello everybody

I`ve installed Visual C# 2005 Express edition for evaluation reasons. After that I also installed Microsoft SQL Server 2005 Express edition also for evaluation. I then downloaed the installation scripts for the Northwind database and tried to install them.
Unfortunately, every time I try to execute these scripts I get the error :


C:SQL Server 2000 Sample Databases>osql -E -i instnwnd.sql
[SQL Native Client]Named Pipes Provider: Could not open a connection to SQL
Server [2].
[SQL Native Client]Login timeout expired
[SQL Native Client]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.


I`ve enabled named pipes in the configuration utility, but to no avail. This is also no firewall problem. It just can`t connect to SQL server. Anybody with similar problems or a possible remedy?

George Papadopoulos

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May 24, 2007

Is it possible to connect to a sql server express over internet or not ?

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- For the purpose of the test, I stopped the windows firewall and the IPSec service.
- I stopped SQL server Browser service.
- I find a free port (here : 1401)
- I activated TCP/IP protocol in SQL Server Configuration Manager, and I have selected 1401 as the TCP port in the IPAll sextion of TCP/IP protection (and I remove the '0' of the dynamic TCP Port).
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In the sql server log, I get the message "Serveur Server is listening on [ 'any' <ipv4> 1401]"

But I never get an answer from the server.

sqlcmd -S ip_of_the_server, 1401 -U username -P password is working fine if launched on the server. But I always get a timeout error from any PC. Same with a telnet on port 1401.

Any idea ?



-

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Jul 11, 2007

Hi,
I have written a database application using .mdf in visual studio 2005 using vb.net (Windows XP sp2)

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My Questions:
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2. How does connection string change on the client side?

Any other idea?

THanks!!

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Apr 9, 2007

Hi



I got an access 2002 application front end with a sql server 2005 express back end. Some of my clients are having some difficulties. After using the application for a while, some of the users are finding that the system just hangs up. It usually happens after the front end application has been running for about an hour (sometimes sooner and sometimes later). There are perhaps 1 to 5 concurrent users and I have checked to see if there are any firewalls stalling it (I think I check all of them)- Is there any way that SQL Server 2005 express could be caused to just stall- This even occurs with the odd laptop. All the appropriate protocols are enabled as well. These databses are not very large.



ANY HELP WOULD BE GREATLY APPRETIATED!!!



Thanks



Frank Srebot

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Jan 2, 2008

Good day.

I am trying to look at a friends database that they have developed. Not having used SQL Server Express before I am experiencing problems trying to remotely connect to their database.

He connects locally just fine of course.

I get the error message about remote connectionsand the default settings so I have enabled TCP/IP and Named Pipes as well as cleared SQLSERVER Express in my firewall settings. I also stopped and restarted the service, but still get the same error message.

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Server name: http://sql.exampledatabase.net (should http be here? have tried with and without same error)
Authentication: SQL Server Authentication (windows authentication? If so, how do I change to such?)
Login: http://username (should http be here? have tried with and without same error)
Password: password

TITLE: Connect to Server
------------------------------
Cannot connect to http://sql.exampledatabase.net

ADDITIONAL INFORMATION:
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) (Microsoft SQL Server, Error: 53)

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Dec 14, 2007

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Apr 15, 2008



Hey guys,

Hope one of you can help me. I've got SQL Server 2005 Express installed on a laptop. I'm trying to create an ODBC connection to it so that I can access the database from a program locally that will be writing to it. I can connect to the SQL instance by listing the server name as DSR-XXXXXXX(ComputerName)SQLEXPRESS

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Thanks!

Todd

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Mar 8, 2006

Using localhost (127.0.0.1) an error occurred while establishing a connection to SQL Server 2005.

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Error Number: 10061
Event Source: MSSQLServer

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Dec 27, 2005

hi all

here is the following error, what should i do.

 

TITLE: Connect to Server
------------------------------

Cannot connect to KANGALERTSQLEXPRESS.

------------------------------
ADDITIONAL INFORMATION:

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)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476

------------------------------
BUTTONS:

OK
------------------------------

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Sep 10, 2006

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Windows Authentication

I get the following message:

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Sep 26, 2006

Preface, I am just starting to learn about database and web development.

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Hi all,

When i attempted to connected to Microsoft SQL Server 2005 Express via ASP.NET 2.0 application, it seems to throw the following error.

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Login failed for user ''. The user is not associated with a trusted SQL Server connection.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: Login failed for user ''. The user is not associated with a trusted SQL Server connection.

Source Error:







The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL:

1. Add a "Debug=true" directive at the top of the file that generated the error. Example:

<%@ Page Language="C#" Debug="true" %>

or:

2) Add the following section to the configuration file of your application:

<configuration>
<system.web>
<compilation debug="true"/>
</system.web>
</configuration>

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Stack Trace:







[SqlException (0x80131904): Login failed for user ''. The user is not associated with a trusted SQL Server connection.]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +734883
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +188
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +1838
System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +33
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +628
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +170
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +359
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +28
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +424
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +496
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105
System.Data.SqlClient.SqlConnection.Open() +111
ASP.sqlquerytool_aspx.Button_Click(Object s, EventArgs e) +49
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +105
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +107
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102



I have been battling with error for 5 solid hours. Please help me

thank you in advance

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dbConn.Open();
I got an error asking for provider with the above connection string, then I changed the conncection string to be like follows:
Data Source=.SQLEXPRESS;AttachDbFilename="C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDataAMSPROD_Data.MDF";Provider=SQLNCLI;Integrated Security=True;Connect Timeout=30;User Instance=True
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Then I changed the Provider to be like: Provider=SQLOLEDB, now I am getting the following error:
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Invalid connection string attribute"
Source: "Microsoft SQL Native Client"
StackTrace: " at System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection)
at System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup)
at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.OleDb.OleDbConnection.Open()
at ISESAMSData.DbConnections.MakeConnection() in C:\ISES\ISESCommon\ISESAMSData\DbConnections.cs:line 74"
TargetSite: {Void .ctor(System.Data.OleDb.OleDbConnectionString, System.Data.OleDb.OleDbConnection)}
Strange thing is, when I use the Connect To Database under Tool menu of VS.NET 2005, I could make the connection to this database. Then I copied this connection string to the code, the connection couln't be made. I feel very confused.
I am wondering if I need to add ASP.NET user to SQLExpress. But I don't know how to do it?
Can anyone please help me out! Many thanks!

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