Newbie To SQL. Error Connecting To Server

Sep 27, 2007

hy.
i am a newbie to SQL

i downloaded and installed SQL SERVER 2005 EXPRESS.
i tried to convert an "ACCESS" database to sql and got the next error:

: "AN ERROR OCCURED
WHILE ESTABLIDHING A CONNECTION TO THE SERVER. WHEN CONNECTING TO SQL 2005,
THIS FALIURE MAY BE COUSED BY THE FACT THAT UNDER THE DEFAULT SETTINGS SQL
SERVER DOES NOT ALLOW REMOTE CONNECTIONS. PROVIDOR NAMED PIPES ERROR 40 -
COULD NOT OPEN A CONNECTION TO SQL SERVER".

any help apreaciated.

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Hi!

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Connecting To Server But Not To Database-Newbie Question

Aug 3, 2006

Hi everyone,



I created a database in SSMS,but I can't connect to it using VB Express code.When I delete the database name from the server I can connect to server,but when I mention the name of the database or initial catalog,I receive a login failure error for the mentioned database...



My connection string is:

Dim conn1 As SqlConnection = New SqlConnection("Data Source=.SQLEXPRESS;initial catalog=TEST1;" _

& "Integrated Security=True;" & "user instance=true;")

Everything is Local,I am using express version of SQL server and VB.How I am not be able to connect the database I created under the server in SSMS...I am really confused...

Thanks in advance!!!!



Can

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Feb 24, 2007

Hi there
I sorry if I have placed this query in the wrong place.
I'm getting to grips with ASP.net 2, slowly but surely! 
When i try to access my site which uses a Sql Server 2005 express DB i am receiving the following error:

Server Error in '/jarebu/site1' Application.


Database 'd:hostingmemberasangaApp_DataASPNETDB.mdf' already exists.Could not attach file 'd:hostingmemberjarebusite1App_DataASPNETDB.MDF' as database 'ASPNETDB'.
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: Database 'd:hostingmemberasangaApp_DataASPNETDB.mdf' already exists.Could not attach file 'd:hostingmemberjarebusite1App_DataASPNETDB.MDF' as database 'ASPNETDB'.Source Error:



An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace:



[SqlException (0x80131904): Database 'd:hostingmemberasangaApp_DataASPNETDB.mdf' already exists.
Could not attach file 'd:hostingmemberjarebusite1App_DataASPNETDB.MDF' as database 'ASPNETDB'.]
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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.210
 
 This is the connection string that I am using:
 <connectionStrings>
<add name="ConnectionString" connectionString="Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|ASPNETDB.MDF;Integrated Security=True;Initial Catalog=ASPNETDB;User Instance=True" providerName="System.Data.SqlClient"/>
</connectionStrings>
 
The database is definitly in the folder that the error message relates to.
What I'm finding confusing is that the connection string seems to be finding "aranga"s database.
Is it something daft?
 
Many thanks.
James 

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I've seen this question asked when I searched, but I didn't see an answer that looked like it applied to me, so I'll ask again.....

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I'll skip some of the boring stuff and dive right in with what I've found out so far:

From MSSQL$VSDOTNETLOGERRORLOG

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The last suggestion was to uninstall and reinstall. I uninstalled VS and SQL and reinstalled getting the same error message in the log, but the message box said that installation was complete.

On the Server Explorer of the IDE, it shows my computers name (programmer) under Servers. When I expand that and expand SQL Servers, I see PROGRAMMERVSDOTNET. When I try to expand that, I get the SQL Server Login window with Server textbox disabled saying PROGRAMMERVSDOTNET and the Database blank. Under the Login it has James (my sign in name) and asks for a password. When I did the MS-DOS CLI installation, I used "password" as the SAPWD. I tried using password, and tried using the password to log on as James, and get the same error message: [DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied.

Any help would be appreciated, as long as you remember that I am a COMPLETE newbie at this. I'm fairly computer literate, but I don't know the first thing about databases.....

Thanks again,

James

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Mar 27, 2007

I am having a problem adding a new server or going into my previously registered servers. 
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Aug 30, 2007

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An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace:



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I`m new to posting to this group so please keep that in mind while I
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Hi



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===================================

Cannot connect to JOHNSONSQLEXPRESS.

===================================

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) (.Net SqlClient Data Provider)

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

------------------------------
Error Number: -1
Severity: 20
State: 0


------------------------------
Program Location:

at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParser.Connect(Boolean& useFailoverPartner, Boolean& failoverDemandDone, String host, String failoverPartner, String protocol, SqlInternalConnectionTds connHandler, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject, Boolean aliasLookup)
at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)
at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)
at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
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.SqlClient.SqlConnection.Open()
at Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.ObjectExplorer.ValidateConnection(UIConnectionInfo ci, IServerType server)
at Microsoft.SqlServer.Management.UI.ConnectionDlg.Connector.ConnectionThreadUser()









wats wrong with my setup?? Previously it can connect. till i upgraded to SQL Server 2005 then uninstall my SQL Server 2005 then it become like tt....



what shld i do?



Pls advise.



Thanks

Johnson

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Nov 21, 2006

i have an Error While connecting to My SQL Server Express

just when i click add new data source i have an error msg as shown in this pic :













Plz Help Me ,,,



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Sep 14, 2006

Hi,

We have a Windows 2000 terminal server with service pack 4 loaded.This has siebel application 7.8.2 .

We have another Windows 2003 standard edition server with service pack 1. This has SQL 2000 server with Service pack 4 installed.

When trying to connect to the sql server through odbc , i get an error

---------------------------
Microsoft SQL Server Login
---------------------------
Connection failed:
SQLState: '01000'
SQL Server Error: 10061
[Microsoft][ODBC SQL Server Driver][TCP/IP Sockets]ConnectionOpen (Connect()).
Connection failed:
SQLState: '08001'
SQL Server Error: 17
[Microsoft][ODBC SQL Server Driver][TCP/IP Sockets]SQL Server does not exist or access denied.

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

-I am able to ping the server and viceversa.

Please let me know how to resolve this problem











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Error Connecting To Server

May 19, 2007

Hi all,



I am trying to connect to the server and i got this error:



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

Cannot connect to HSTSQLEXPRESS.

------------------------------
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)



BUT when i tried to connect to the server using the name instance (local) or my computer name directly it works.



I have to use this format in the name instance while i am connecting to the server :

computerName/SQLEXPRESS



what is the problem and how can i fix it?



thanks in advance!

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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.

Jan 22, 2008

My site works fine in VWD2008 express, but I get this error when I try to use it on my live website.
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. 
According to this article: http://support.microsoft.com/kb/914277  I am supposed to:




1.
Click Start, point to Programs, point to Microsoft SQL Server 2005, point to Configuration Tools, and then click SQL Server Surface Area Configuration.
Ok, there is no such program in this folder.  The only thing in there is "SQL Server Error and Usage Reporting"...
 The other thing I am greatly concerned with is this:  All is want is for my webpages to be able to access my database for user authentication.  I DO NOT want to grant the internet rights to remote connect to my database.
 
 
 
 

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Feb 27, 2007

Hello,
I'm a newbie who is trying to create a connection to the server in my website application and I keep getting the following 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).  I enabled TCP/IP and Pipe in the configuration and restarted the engine and server but I still get this error and it's stressing me out.  Below is the code for the app.  Any help would be greatly appreciated. Thanks
 
Imports System.Data
Imports System.Data.SqlClient
Partial Class _Default
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
' Create the database Connection
Dim conn As New System.Data.SqlClient.SqlConnection( _
"Server=Main;" + _
"Integrated Security=True;" + _
"Database=ShoppingCartData;" + _
"AttachDBFilename=" + _
"C:DOCUMENTS AND SETTINGSTONYAMY DOCUMENTSVISUAL STUDIO 2005WEBSITESADOAPP_DATAADO.MDF")
 
' Create the Data Adapter with the required SELECT statement
Dim Adapt As New System.Data.SqlClient.SqlDataAdapter("SELECT * FROM Products", conn)
' Create the dataset with the required information
Dim dsADO As New System.Data.DataSet()
Adapt.Fill(dsADO)
Dim DR As DataRow()
' Define the Table
Dim ProdTbl As New Table()
' Create content for the Web Page
For Each DR In dsADO.Tables(0).Rows
'Create a new table row.
Dim ProdRow As New TableRow()
'Create a cell within the row.
Dim ProdCell As New TableCell()
'Define content for the Cell
Dim ThisLink As New HyperLink()
ThisLink.NavigateUrl = "Products.aspx?ProdID=" + _
DR("ProductID").ToString()
ThisLink.Text = DR("ProductNme").ToString()
ThisLink.ID = DR("ProductID").ToString()
'Add the content to the cell and the cell to the row. Place the row in the table
ProdCell.Controls.Add(ThisLink)
ProdRow.Controls.Add(ProdCell)
ProdTbl.Controls.Add(ProdRow)
Next
'Add the table to the Place holder.
phProducts.Controls.Add(ProdTbl)
End Sub
End Class

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Oct 18, 2007

Hi,
    I am getting the following error when i am trying to connect to the database server installed on different box.
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When i searched google, some postings suggested to enable the TCP/IP and Named Pipes Protocols from SQL Server configuration Manager. I did so and also ran mofcomp command. But even after doing this i am not able to connect to the server. Following is my connection string.
<add key="conn2" value="Data Source=xxxxxxxx;Initial Catalog=xxxxxx_xxxxxx;User ID=xx;Password=xxxxxx;"/>
Could any one please tell me what else the configuration settings i need to do in order to connect to the database from my application.

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PLZZ HELP ! ERROR CONNECTING TO SQL SERVER

Jan 22, 2005

Hello everybody

i am getting problem in connecting my asp.net(c#) web application with Sql Server 2000 programatically on the page load of my web form

I wrote following code in the page load

private void Page_Load(object sender, System.EventArgs e)
{
// Put user code to initialize the page
SqlConnection myConnection = new SqlConnection("server=(local);database=master;Integrated Security=SSPI");
SqlDataAdapter myCommand = new SqlDataAdapter("select * from emp", myConnection);

DataSet ds = new DataSet();
myCommand.Fill(ds, "emp");

DataGrid1.DataSource=ds.Tables["emp"].DefaultView;
DataGrid1.DataBind();
}




Build OK but following exception occurred:


Server Error in '/datagridtest' Application.
--------------------------------------------------------------------------------

Login failed for user 'MATRIXASPNET'.
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 'MATRIXASPNET'.

Source Error:


Line 27:
Line 28: DataSet ds = new DataSet();
Line 29: myCommand.Fill(ds, "emp"); //THIS APPEARS IN RED ON THE PAGE
Line 30:
Line 31: DataGrid1.DataSource=ds.Tables["emp"].DefaultView;


-------------------------------------------------------------------------------------------
PLZ HELP ME, I THINK THE PROBLEM IS WITH CONNECTIONSTRING, I STUCK UP HERE FROM LAST 3 DAYS AND COULD NOT PROCEED WITH MY FURTHER STUDY AND PRACTICE

THANX IN ADVANCE

BSS

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Feb 1, 2002

Hi,

I am trying to connect SQL server7.0 through ODBC 3.5,when i tried to create DSN ,i am getting below error message.I added alias with server name as IP Address in client network utility,But no use.I tried to connect through query analyzer but no use. ( Client M/c and Sql Servers are on T1 network)

** But i am able to connect through ISQL

I am not understanding why i am not able to connect through ODBC and query analyzer.Can some one help me in this.

ERROR MESSAGE:
****************************************
unable to connect to the server {....IP Address....}. odbc:Msg 0, Level 16, State 1 [Microsoft][ODBC SQL Server Driver]Timeout expired
******************************************

Thanks
Ananth


"""

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Mar 27, 2008

When I connect using SQL SERVER MANAGEMENT STUDION, i get following error:

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Oct 4, 2007

Hi..

I have been assigned to make a database in some remote machine.The machine has MSSQL 2005.I need to connect to that remote machine's sql server via my pc using my SQL Management express.I do have that computer's IP address(say,123.456.789.000),and the username and password.But when i try to connect to the server ,I get the following error:


Cannot connect to 123.456.789.000sqlexpress


An error has occured while establishing a connection to the server.When connecting to SQL server 2005,this failure may be caused by the fact that unser the default settings SQL server does not allow remote connections,(provider: SQL Network Interfaces,error:26-Error Locating Server/Instance specified)(Microsoft SQL Server)


I am a new programmer and dont know much.But i guess the problem is not in my server but in that server to which i am trying to connect.I guess that server has some instance created or it does not allow remote connections.But i am not sure.Is it so?Or is anything wrong in my server.Any ideas?


Thanks

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Mar 25, 2006

When I try to connect to server in SQL Server Management Studio

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

Cannot connect to OMER.

------------------------------
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: 2)

Can you help me?

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Sep 7, 2006

Hi!



My application is working fine when i use broadband. but when i change my settings to dialup the application won't connect to sql server.



Details about project:

Connection string is IP based.
Sql Server 2000.
Framework 2.0
Sql Server is on hosting Servers.
Application will be running on any system that has internet connection.
The records that the application will fetch are not much, max 6 records in every 15 Secs.


Application is working fine on cable internet but when i switch to dialup it won't connect not even once.

dialup speed is good enough.

If you need any other detail please tell me...





Thanks in Advance.
Erphan Rajput.

Errors:





9/6/2006 9:22:00 PM
BackgroundWorker1_DoWork
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: TCP Provider, error: 0 - No such host is known.)
System.Data.SqlClient.SqlException: 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: TCP Provider, error: 0 - No such host is known.) at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.SqlClient.SqlConnection.Open() at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) at SMSChat.Shared.DataSource.GetMessages(String ChannelName, DateTime DT) in C:Documents and SettingsErphan RajputMy DocumentsVisual Studio 2005ProjectsSMSChat AppSMSChat AppSharedDataSource.cs:line 47 at SMSChat.Form1.backgroundWorker1_DoWork(Object sender, DoWorkEventArgs e) in C:Documents and SettingsErphan RajputMy DocumentsVisual Studio 2005ProjectsSMSChat AppSMSChat AppForm1.cs:line 132

9/6/2006 9:22:05 PM
BackgroundWorker1_DoWork
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: TCP Provider, error: 0 - No such host is known.)
System.Data.SqlClient.SqlException: 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: TCP Provider, error: 0 - No such host is known.) at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.SqlClient.SqlConnection.Open() at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) at SMSChat.Shared.DataSource.GetMessages(String ChannelName, DateTime DT) in C:Documents and SettingsErphan RajputMy DocumentsVisual Studio 2005ProjectsSMSChat AppSMSChat AppSharedDataSource.cs:line 47 at SMSChat.Form1.backgroundWorker1_DoWork(Object sender, DoWorkEventArgs e) in C:Documents and SettingsErphan RajputMy DocumentsVisual Studio 2005ProjectsSMSChat AppSMSChat AppForm1.cs:line 132

9/6/2006 9:22:10 PM
BackgroundWorker1_DoWork
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: TCP Provider, error: 0 - No such host is known.)
System.Data.SqlClient.SqlException: 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: TCP Provider, error: 0 - No such host is known.) at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.SqlClient.SqlConnection.Open() at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) at SMSChat.Shared.DataSource.GetMessages(String ChannelName, DateTime DT) in C:Documents and SettingsErphan RajputMy DocumentsVisual Studio 2005ProjectsSMSChat AppSMSChat AppSharedDataSource.cs:line 47 at SMSChat.Form1.backgroundWorker1_DoWork(Object sender, DoWorkEventArgs e) in C:Documents and SettingsErphan RajputMy DocumentsVisual Studio 2005ProjectsSMSChat AppSMSChat AppForm1.cs:line 132

9/6/2006 9:22:15 PM
BackgroundWorker1_DoWork
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: TCP Provider, error: 0 - No such host is known.)
System.Data.SqlClient.SqlException: 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: TCP Provider, error: 0 - No such host is known.) at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.SqlClient.SqlConnection.Open() at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) at SMSChat.Shared.DataSource.GetMessages(String ChannelName, DateTime DT) in C:Documents and SettingsErphan RajputMy DocumentsVisual Studio 2005ProjectsSMSChat AppSMSChat AppSharedDataSource.cs:line 47 at SMSChat.Form1.backgroundWorker1_DoWork(Object sender, DoWorkEventArgs e) in C:Documents and SettingsErphan RajputMy DocumentsVisual Studio 2005ProjectsSMSChat AppSMSChat AppForm1.cs:line 132

9/6/2006 9:22:20 PM
BackgroundWorker1_DoWork
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: TCP Provider, error: 0 - No such host is known.)
System.Data.SqlClient.SqlException: 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: TCP Provider, error: 0 - No such host is known.) at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.SqlClient.SqlConnection.Open() at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) at SMSChat.Shared.DataSource.GetMessages(String ChannelName, DateTime DT) in C:Documents and SettingsErphan RajputMy DocumentsVisual Studio 2005ProjectsSMSChat AppSMSChat AppSharedDataSource.cs:line 47 at SMSChat.Form1.backgroundWorker1_DoWork(Object sender, DoWorkEventArgs e) in C:Documents and SettingsErphan RajputMy DocumentsVisual Studio 2005ProjectsSMSChat AppSMSChat AppForm1.cs:line 132

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Mar 8, 2008

I do hope someone can help

I have a windows server with SQL Express, I have followed the link here and still no luck

http://blogs.msdn.com/sql_protocols/archive/2007/05/13/sql-network-interfaces-error-26-error-locating-server-instance-specified.aspx

I have checked and checked again a thousand times

I can remote desktop and connect through SQL Management Express, but when I try this on my local machine I get the error 26

My knowledge is very limited and could do with some expert help


PS EDIT
I read somewhere that in TCP/IP properties all IP's should be set to 1433, is this correct
at the moment, apart from ALL IP which is set to 1433, IP1-9 are set to Dynamic Port =0, should I be setting all these to 1433

??

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Jun 20, 2007

Dear All,

I am trying to connect to a remote sql server 2005. So I have install the Microsoft SQL Server Management Studio Express. When I try to connect I get the error below.

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). Can some one please help. I have even port no 1533 on my pc. Thanks.

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Apr 15, 2008

An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this
I use Microsoft Windows Vista Home Professional
I have already installed to my computer Microsoft SQL Server 2005 and SQL Serves Express. I used to be successful to connect to the SQL Server but now I CAN NOT.

Not: I try to run SQL Server 2005 but I can not, even I logged on to my computer with an administrator rights. On the other hand I can start and stop the SQL Server Express easily.

As a result, how can I solve this problem.
Thanks in advance.
Bilgin Kılıç
Additional Details


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)

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Error 26: When Connecting To Local Server With SQL Server 2005 Standard Edition

May 20, 2006

Hi,
I've been trying to fix this error for two days! and I really need the advice of the experts please!
Computer XP Professional Service Pack2, SQL Server 2005 and Visual Studio 2005 (both Standard Edition)
ConnectionString:
<connectionStrings>
<add name="MyConnectionDB" connectionString="Data Source=(MyServerSqlServer2005);Initial Catalog=MyDB;User ID=sa;Password=PasswordforSA" providerName="System.Data.SqlClient" />
</connectionStrings>
 
C# code
string myConnectionString = ConfigurationManager.ConnectionStrings["MyConnectionDB"].ConnectionString;
SqlConnection myConnection = new SqlConnection(myConnectionString);
myConnection.Open();
Here I get the 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)"}
 
What I checked so far:

ServerName and Instance Name OK!
Database, Username and password OK!
SQL Server 2005 Surface Are Configuration - Remote connections using both TCP/IP and Pipe Names OK!
SQL Configuration Manager - Protocolos Enabled (TCP/IP, Pipes, shared) OK!
SQL Server Browse running and active OK!
Am I missing something? I never had this problem with SQL Server 2000 and Visual Studio 2003.
Thanks in advance for any help or suggestion you can give me.
Sasa

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Error 26: When Connecting To Local Server With SQL Server 2005 Standard Edition

May 21, 2006

Hi,

I've been trying to fix this error for two days! and I really need the advice of the experts please!

Computer XP Professional Service Pack2, SQL Server 2005 and Visual Studio 2005 (both Standard Edition)

ConnectionString:

<connectionStrings>

<add name="MyConnectionDB" connectionString="Data Source=(MyServerSqlServer2005);Initial Catalog=MyDB;User ID=sa;Password=PasswordforSA" providerName="System.Data.SqlClient" />

</connectionStrings>



C# code

stringmyConnectionString = ConfigurationManager.ConnectionStrings["MyConnectionDB"].ConnectionString;

SqlConnection myConnection = new SqlConnection(myConnectionString);

myConnection.Open();

Here I get the 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)"}



What I checked so far:

ServerName and Instance Name OK!
Database, Username and password OK!
SQL Server 2005 Surface Are Configuration - Remote connections using both TCP/IP and Pipe Names OK!
SQL Configuration Manager - Protocolos Enabled (TCP/IP, Pipes, shared) OK!
SQL Server Browse running and active OK!
No Firewall

Am I missing something? I never had this problem with SQL Server 2000 and Visual Studio 2003.

Thanks in advance for any help or suggestion you can give me.

Sasa

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Jun 8, 2007

I'm new to using VS2005 and this is my first project connecting to our MS SQL 2000. App worked fine on my dev PC, connection to the same MS SQL Server. Published the web site to the web server (same server running MS SQL Server) and getting the below error. Is this a permission setup problem on SQL Server or does it really think it's connecting with a MS SQL 2005 database?
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)
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: 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)

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