MS SQL Server :: Could Not Establish A Connection To The Database

Not Able To Establish A Connection To My Database In C#.

May 2, 2007

Could someone help me out? I am stuck and I don't have $245.00 to pay for Microsoft Technical phone support.
Basically I am trying to establish a connection to my database using C#. When I try to connect I can step into the line of code, but an exception is thrown.
Error message in the debugger:
ServerVersion = 'myConnection.ServerVersion' threw an exception of type 'System.InvalidOperationException'

C# code:
SqlConnection myConnection = new SqlConnection("Data Source=BVCOMPUTER;Initial Catalog=TheMarket;User ID =bill;Password=celebrate4ever");
When the above line of code is executed, then In the IDE debugger when I do a watch on myConnection, there is a tree node labeled "ServerVersion" The following messageis displayed there:
Also there appears to be a property of "ServerVersion" named "base".The error message stored there is the following: base {"Invalid operation. The connection is closed."} System.SystemException {System.InvalidOperationException}
----------------------------------------------------
Note that I can drag and drop a grid control on my web form and point to the database I want to connect to. But for some reason when I manually try to connect, I am not able to.

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Could Not Establish Connection To Database

May 12, 2007

I am having a great deal of difficulty connecting my version of visual web developer 2005 express to the AspNetSqlProvider as stated in the tutorials online at the web developer center. I keep getting the error below.

"Could not establish a connection to the database.
If you have not yet created the SQL Server database, exit the Web Site Administration tool, use the aspnet_regsql command-line utility to create and configure the database, and then return to this tool to set the provider. "

When I run the utility I still get a connection error using the hostname of my computer and windows authentication.

The setup failed message is as below also:-

"Setup failed.

Exception:
Unable to connect to SQL Server database.

----------------------------------------
Details of failure
----------------------------------------

System.Web.HttpException: Unable to connect to SQL Server database. ---> 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)
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.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
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.Web.Management.SqlServices.GetSqlConnection(String server, String user, String password, Boolean trusted, String connectionString)
--- End of inner exception stack trace ---
at System.Web.Management.SqlServices.GetSqlConnection(String server, String user, String password, Boolean trusted, String connectionString)
at System.Web.Management.SqlServices.SetupApplicationServices(String server, String user, String password, Boolean trusted, String connectionString, String database, String dbFileName, SqlFeatures features, Boolean install)
at System.Web.Management.SqlServices.Install(String database, SqlFeatures features, String connectionString)
at System.Web.Management.ConfirmPanel.Execute()"

I have tried some of the suggestions on the forum with no result

Please can you help

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The AspNetSqlProvider Could Not Establish A Connection To The Database.

Aug 8, 2007

Hi!
When I'm going to the Web Site Administration Tool at the Provider tab I click to test the AspNetSqlProvider, but it says
"Could not establish a connection to the database. If you have not yet created the SQL Server database, exit the Web Site Administration tool, use the aspnet_regsql command-line utility to create and configure the database, and then return to this tool to set the provider. "
I have enabled the TCP/IP and name pipes at the SQL Server, and I have created a database using the aspnet_regsql and when I'm going to test the provider it always says me that "Could not establish a connection to the database..."
Can anybody help me?
Thanks

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Already Ran Aspnet_regsql But Could Not Establish A Connection To The Database.

Sep 15, 2007

i already ran aspnet_regsql but i still get below...anyone know why? thanks in advance

Could not establish a connection to the database. If you have not yet created the SQL Server database, exit the Web Site Administration tool, use the aspnet_regsql command-line utility to create and configure the database, and then return to this tool to set the provider.

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Error 'Could Establish Connection To The Database '

Mar 16, 2006

Hi,
I encounter few errors when I try to create a login page using tool in Microsoft Visual Studio 2005, please refer to below :

'-------------------------------------------------------------------------------------
I create a Login screen from Toolbox.
When I try to configure the setting for Provider Configuration in the ASP.NET Website Administration Tool using Select a single provider for all site management data or Select a different provider for each feature (advanced) options, the error ‘Could not establish a connection to the database’ appear.

I have tried to run aspnet_regsql to configure the server and database and return to this tool to configure the Provider configuration but the same error ‘Could not establish a connection to the database.’ appear.
When I click the Security Configuration link in ASP.NET Configuration, the error as shown below appear :
'There is a problem with your selected data store. This can be caused by an invalid server name or credentials, or by insufficient permission. It can also be caused by the role manager feature not being enabled. Click the below button to be redirected to a page where you can choose a new data store.
The following message may help in diagnosing the problem: 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 under the default settings SQL Server does not allow remote connections.(provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)'
When I try to choose Data Store in the Security Configuration screen(Figure 4), the same error(‘Could not establish a connection to the database’) appear.
'----------------------------------------------------------------

I also have tried to configure the SQL Server Surface Area Configuration but the same error still appear….
Is there any other configuration I need to set before I can create this login page?
Any advices or help is much appreciate.

Thank you.

Regards,
Vicky

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How To Establish Connection Between SQL Server Database && VWD 2005

Mar 24, 2007

I just got a shared hosting plan with godaddy (economy plan) ...
I wrote a simple application with a database. it works fine on my local PC.
I tried to upload my files to the server, but i couldn't get database file on godaddy's server. I did a little research and found out they dont allow uploading database files to their server nor they allow remote access either.
so I logged in to my account and found a database links and I created one (SQL Server)

Host Name
whsql-v44.prod.mesa4.secureserver.net

Database Name
DB_43434

Database Version
2000

Description
maindb
I then logged in to the database and created a new table .. but now I dont know how to make a connection between this database and my application on my pc.
I later found that I must modify my web.config file for the database to work. http://help.godaddy.com/article.php?article_id=689&topic_id=216&prog_id=GoDaddy&isc=

<connectionStrings><add name="Personal" connectionString="Server=whsql-v04.prod.mesa1.secureserver.net;Database=DB_675;User ID=user_id;Password=password;Trusted_Connection=False" providerName="System.Data.SqlClient" /><remove name="LocalSqlServer"/><add name="LocalSqlServer" connectionString="Server=whsql-v04.prod.mesa1.secureserver.net;Database=DB_675;User ID=user_id;Password=password;Trusted_Connection=False" providerName="System.Data.SqlClient" /></connectionStrings>
Now- I am new to web developing, but I do understand that this code is not enough to create the connection to the database. I researched alot but I cant get further.
What code/ settings/ steps do I need to do to get my gridview and other database items connect to the database on godaddy's server ?
any help would be greatly appreciated...

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Aspnetdb Connection Could Not Establish But Database Correctly Created.

Sep 2, 2007

I installed netframework 2.0 Visual Web developer and MSSQL 2005 express edition with SQL Server management express.I have got this configuration: 2*256 mb ram Intel Pentium 3.2Ghz Windows XP HUN SP2 latest version.server name: localhostSQLEXPRESSAuthentication: Windows AuthenticationI run aspnet_regsql.exe and the setup wizard created aspnetdb see here, Microsoft sql server management studio can see the database:But! When I run to the asp.net web application administration tool in Provider Configuration and chooseAspNetSqlProvider only 1then I click Select a single provider for all site management data link -> then testThe Tool write this:Could not establish a connection to the database.
If you have not yet created the SQL Server database, exit the Web Site
Administration tool, use the aspnet_regsql command-line utility to
create and configure the database, and then return to this tool to set
the provider.

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Need To Establish A Remote Connection To An Sql Database On A Local Server (same Domain)

Feb 16, 2007

Hi, I have been creating a web store, which we will be hosting on our Windows Server 2003 system. I am also writing a windows application that will be running on our client systems on the same network/domain. I have no need to allow internet access to the database, just within our domain. Pretty much the windows application will be running and whenever a customer places an order, the program will automatically pop-up the needed information for our credit card processing, and shipping department. So far I have been able to establish a connection to our server by creating a data connection under the server explorer. However, it does not list any databases whatsoever, the web site has been published using Visual Studio 2005 Professional on the server, and is in 100% working order. I have searched and haven't found anything concrete on this, i'm sure its just something simple that im missing. It appears that the server is definetely connected to the database (since the website is fully functional), but it is not listing the information for other systems to access it. If anyone has any ideas, please let me know. Thank you

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Asp.net SQL Server 2005 Setup. Unable To Establish Database Connection Correctly.

Feb 20, 2008

I am setting up a web server and I'm having some issues with database connections. I am running Windows Server 2k3 and SQL Server 2005. The error I get is when I attempt to connect to the database, it's the following:
     Cannot open database "dbReseacher" requested by the login. The login failed.     Login failed for user 'userRes'.
The following is my connection string:
    <add name="RESEARCHER" connectionString="Data Source={Sql Server}; Server=THRALL2; Database=dbReseacher; Uid=userRes; Pwd=password;"/>
In SQL Server Management Studio, the user userRes is listed under Security -> Logins, but it is not listed under Database -> dbResearcher -> Security -> Users. Originally it was listed under both and this didn't solve the problem.
Please let me know if you any ideas or questions that I can answer. Thanks a lot.
                   -Richard

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Establish SQL Connection

Aug 31, 2006

Hi! (my first post)
I'm ASP.NET newbie and i´ve got an SQL connection error, i know why, i didn´t establish a connection...
my questions are: how do i establish the connection state?, and where in my project should i do it?
I added the connection section to my web.config, is that enough to establish a connection?
<connectionStrings>
    <add name="buscomConnectionString" connectionString="Data Source=myserver.net;Initial Catalog=mycatalog;Persist Security Info=True;User ID=myuser;Password=mypassword"
      providerName="System.Data.SqlClient" />
</connectionStrings>

The error i get is:
Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

Line 2443:Line 2444://If connection is not open then attempt to open it.Line 2445:if (connection.State == System.Data.ConnectionState.Closed)Line 2446:{Line 2447:try

Source File: d:UseruscomApp_CodePHP.cs    Line: 2445
   Thanks and cheers! Bill Murphy (litio.net)

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How To Establish Connection To SQL Server?

Mar 31, 2004

in the Quick start, it used connection string ("server=(local)NetSDK;database=pubs;Trusted_Connection=yes") to connect to the SQL db.

Now my working environment is, Im working on my client running .NET Framework as a webserver, and the SQL Server is on another PC as a db server (IP: xxx.xxx.xx.xx, user: webuser, pwd: webuser).

1st Question:
how do I build my connection string for this??
I tried following but no luck:
"user id=webuser;password=webuser;Initial Catalog=Bei;Data Source=xxx.xxx.xx.xx;Integrated Security=SSPI;";

2nd Question:
I just happened to see that ODBC is no more recommended in ASP.NET ?? if that's the case what is the new way to connect to DB ?? by using connection string or what ??

Thanks heaps!
Bei

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Establish Connection With SQL Server From VB.Net Application

Jun 11, 2008

I have application that is connecting to SQL Server and runs bunch of stored procedures, but I don't think that am able to connect to my database server. When it hits the line to execute the stored procedure it comes up with syntax error saying the syntax error is at the stored procedure. I know how to set up the connection string with web app from the web config, but never done it on an app. Here is the connection string pointing to my server which I pass to my SqlConnection object: "Data Source=ServerXXXX;Initial Catalog=DB;Integrated Security=True; User ID=xxxx; Password=xxxx;" And that is the code that is using the above connection string: Public Sub MigrateNFSData(ByVal calcTbl As DataTable, ByVal strDBConnection As String) Dim sqlServerConn As New SqlConnection(strDBConnection) 'Define stored procedures Dim command As New SqlCommand Dim getAccID As New SqlCommand("GetAccountID", sqlServerConn) Dim getActionID As New SqlCommand("GetActionID", sqlServerConn) Dim getExchangeID As New SqlCommand("GetExchangeID", sqlServerConn) 'Dim getParrentAccID As New SqlCommand("GetParentAccID", sqlServerConn) Dim getStatusID As New SqlCommand("GetStatusID", sqlServerConn) Dim getTraderID As New SqlCommand("GetTraderID", sqlServerConn) Dim getGroupID As New SqlCommand("GetGroupID", sqlServerConn) 'Define insert records stored procedures Dim insertAcc As New SqlCommand("InsertAccount", sqlServerConn) Dim insertAction As New SqlCommand("InsertAction", sqlServerConn) Dim insertExchange As New SqlCommand("InsertExchange", sqlServerConn) Dim insertGroup As New SqlCommand("InsertGroup", sqlServerConn) Dim insertStatus As New SqlCommand("InsertStatus", sqlServerConn) Dim insertTrader As New SqlCommand("InsertTrader", sqlServerConn) Try sqlServerConn.Open() Catch ex As Exception 'Exception message goes here End Try 'Set parameters to helper Get Stored Procedures to retreive Id's getAccID.Parameters.Add("@AccName", SqlDbType.NVarChar) getAccID.CommandType = CommandType.StoredProcedure getActionID.Parameters.Add("@ActionName", SqlDbType.NVarChar) getActionID.CommandType = CommandType.StoredProcedure getExchangeID.Parameters.Add("@ExchName", SqlDbType.NVarChar) getExchangeID.CommandType = CommandType.StoredProcedure 'getParrentAccID.Parameters.Add("@ParentName", SqlDbType.NVarChar) 'getParrentAccID.CommandType = CommandType.StoredProcedure getStatusID.Parameters.Add("@StatusName", SqlDbType.NVarChar) getStatusID.CommandType = CommandType.StoredProcedure getTraderID.Parameters.Add("@TraderName", SqlDbType.NVarChar) getTraderID.CommandType = CommandType.StoredProcedure getGroupID.Parameters.Add("@GroupName", SqlDbType.NVarChar) getGroupID.CommandType = CommandType.StoredProcedure command = New SqlCommand("InsertTradeTransaction", sqlServerConn) command.CommandType = CommandType.StoredProcedure 'Set Parameters for Insert stored procedures insertAcc.Parameters.Add("@Account", SqlDbType.Text) insertAction.Parameters.Add("@ActionName", SqlDbType.Text) insertExchange.Parameters.Add("@Exchange", SqlDbType.Text) insertGroup.Parameters.Add("@Group", SqlDbType.Text) insertGroup.Parameters.Add("@ACCID", SqlDbType.Int) insertStatus.Parameters.Add("@StatusName", SqlDbType.Text) insertTrader.Parameters.Add("@Group", SqlDbType.UniqueIdentifier) insertTrader.Parameters.Add("@IP", SqlDbType.Text) insertTrader.Parameters.Add("@TraderName", SqlDbType.Text) 'Adding stored Get Stored Procedure's parameters----------------------- command.Parameters.Add("@OrderNum", SqlDbType.Text) command.Parameters.Add("@ACC_ID", SqlDbType.Int) command.Parameters.Add("@Group_ID", SqlDbType.UniqueIdentifier) command.Parameters.Add("@Trader_ID", SqlDbType.UniqueIdentifier) command.Parameters.Add("@Exch_ID", SqlDbType.Int) command.Parameters.Add("@Date", SqlDbType.DateTime) command.Parameters.Add("@Time", SqlDbType.DateTime) command.Parameters.Add("@ActionID", SqlDbType.Int) command.Parameters.Add("@StatusID", SqlDbType.Int) command.Parameters.Add("@TimeSent", SqlDbType.DateTime) command.Parameters.Add("@Qty", SqlDbType.Int) command.Parameters.Add("@Product", SqlDbType.Text) command.Parameters.Add("@MMYYY", SqlDbType.Text) command.Parameters.Add("@ExchOrderID", SqlDbType.Text) command.Parameters.Add("@TimeTicks", SqlDbType.Int) command.Parameters.Add("@W2G", SqlDbType.Int) command.Parameters.Add("@W2Exch", SqlDbType.Int) command.Parameters.Add("@G2ExchDerived", SqlDbType.Int) command.Parameters.Add("@ExchDate", SqlDbType.DateTime) 'command.Parameters.Add("@ParentID", SqlDbType.Int) 'Paremeters Defenition-------------------------------------- 'Write table with computed NFS data to sql server DB For Each dr As DataRow In calcTbl.Rows command.Parameters("@OrderNum").Value = dr.Item("OrderNo").ToString() getAccID.Parameters("@AccName").Value = dr.Item("Acct").ToString() If getAccID.ExecuteScalar() = 0 Then insertAcc.Parameters("@Account").Value = dr.Item("Acct").ToString() insertAcc.ExecuteNonQuery() //THIS IS WHERE IT FAILS and pops up with the message that there is syntax error at this procedure getAccID.Parameters("@AccName").Value = dr.Item("Acct").ToString() command.Parameters("@AccName").Value = getAccID.ExecuteScalar() Else command.Parameters("@ACC_ID").Value = getAccID.ExecuteScalar() End If getGroupID.Parameters("@GroupName").Value = dr.Item("GroupID").ToString() Try command.Parameters("@Group_ID").Value = getGroupID.ExecuteScalar() Catch ex As Exception 'Insert new Account if given account not being found from get stored procedure End Try getTraderID.Parameters("@TraderName").Value = dr.Item("TrdID").ToString() Try command.Parameters("@Trader_ID").Value = getTraderID.ExecuteScalar() Catch ex As Exception 'Insert new Account if given account not being found from get stored procedure End Try getExchangeID.Parameters("@ExchName").Value = dr.Item("Exch").ToString() Try command.Parameters("@Exch_ID").Value = getExchangeID.ExecuteScalar() Catch ex As Exception 'Insert new Account if given account not being found from get stored procedure End Try getActionID.Parameters("@ActionName").Value = dr.Item("Action").ToString() Try command.Parameters("@ActionID").Value = getActionID.ExecuteScalar() Catch ex As Exception 'Insert new Account if given account not being found from get stored procedure End Try getStatusID.Parameters("@StatusName").Value = dr.Item("Status").ToString() Try command.Parameters("@StatusID").Value = getStatusID.ExecuteScalar() Catch ex As Exception 'Insert new Account if given account not being found from get stored procedure End Try 'getParrentAccID.Parameters("@ParentName").Value = "" 'Try 'command.Parameters("@ParentID").Value = getParrentAccID.ExecuteScalar() ' Catch ex As Exception 'End Try command.Parameters("@Date").Value = DateTime.Parse(dr.Item("Exch Date").ToString()) command.Parameters("@Time").Value = DateTime.Parse(dr.Item("Time").ToString()) command.Parameters("@TimeSent").Value = DateTime.Parse(dr.Item("Time Sent").ToString()) If (dr.Item("Qty").Equals(System.DBNull.Value)) Then command.Parameters("@Qty").Value = System.DBNull.Value Else command.Parameters("@Qty").Value = Int32.Parse(dr.Item("Qty").ToString()) End If command.Parameters("@Product").Value = dr.Item("Product").ToString() command.Parameters("@MMYYY").Value = dr.Item("MMYYYY").ToString() command.Parameters("@ExchOrderID").Value = dr.Item("ExchOrderID").ToString() If (dr.Item("TimeTicks").Equals(System.DBNull.Value)) Then command.Parameters("@TimeTicks").Value = System.DBNull.Value Else command.Parameters("@TimeTicks").Value = Int32.Parse(dr.Item("TimeTicks").ToString()) End If command.Parameters("@ExchDate").Value = Date.Parse(dr.Item("Exch Date").ToString()) command.Parameters("@W2G").Value = 2 command.Parameters("@W2Exch").Value = 2 command.Parameters("@G2ExchDerived").Value = 2 command.ExecuteNonQuery() sqlServerConn.Close() Next End Sub Thank you guys as always being helpful.

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Client Unable To Establish Connection

Apr 7, 2000

Here are the error messages:
Enterprise Manager:
A connection could not be established to SERVERNAME - Client unable
to establish connection ConnectionOpen (CreateFile())

Query Analyzer:
Unable to connect to server ServerName
Server Msg 67, Level 16, State 1
[Microsoft][ODBC SQL Server Driver]Client unable to establish connection

I can't register any other new servers, even ones in my workgroup. I'm connecting using named pipes, but have also tried using TCP/IP setting it up using Client Network Utility.

When i log on to another machine using my network login - I can connect.

There have been no problems connecting in the past and I haven't changed anything on my machine - any ideas???

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Client Unable To Establish Connection

Oct 18, 2000

Hi Guys.

We have a clustered server. When i create DTS packages in the secondary server I can get all the connection. But when i create DTS package that has connection to other servers. I am getting the follwing error. So my jobs that runs the DTS packages are failing.

Error Source: Microsoft OLE DB Provider for sql server

Error Description: Client Unable to establish connection.
Connectionopen(createfile())

I deleted all the entries in the Client network utility and recreated with ip addresses and TCP/IP protocol.

Added all the ip addresses to Lmhosts and host files.

Check the Server Network Utility.

I dont have a clue now.

Anyhelp are well appreciated.

-Thanks
-MAK

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Long Time To Establish A Connection

Jul 23, 2005

When I login using QA to my SQL Server database, it takes 15-20 secondsto establish a connection and open a query window. Drilling into adatabase via Enterprise Manager is similar. Once the connection isestablished, the server runs plenty fast however.Can someone tell me why it could take a long time for a connection tobe established?This behavior occurs when I am local on the box.Thanks,John

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Cannot Establish A Connection In Sql Server 2005 Express

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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Unable To Establish Connection With The Microsoft SQL Server 2005

Jun 19, 2008

Hi, I am using Microsoft Visual Web Developer 2008 Express Edition. I wanted to add a database to the Project. When i add it, it says "An error occured while extablishing an 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). Please let me know what is the cause of this error. Initially i downloaded Microsoft Adventure works database and saved the file as .mdf and tried to access it through the data grid. I got the same error message as above. I changed the settings in SQl server to enable remote access and also changed firewall settings to allow SQL server exe files. Then i uninstalled works db and now have disabled remote access and still have the firewall settings to allow SQL server on. Thanks,Vidhya

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The Underlying Connection Was Closed: Could Not Establish Secure Channel For SSL/TLS.

Nov 20, 2007

Help.

Today while trying to get the Windows NT security working i upgraded my reporting services IIS server to a domain controller and it screwed up all of my settings. First it changed password for ASPNET user and so I reinstalled .net framework.

Now i get the

The underlying connection was closed: Could not establish secure channel for SSL/TLS.

error message.

I do not want to use an SSL certificate for I do not have one right now. How can I configure my SQL Server 2000 Reporting services to not use SSL. I see they added something to SQL Reporting Services 2005 in the configuration tools but I cant find out how to modify the config files with SQL 2000 RS to eliminate the SSL.

Please help, my company is down waiting for me to get this back up.

Thanks a ton,

deep

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SQL 2012 :: Client Unable To Establish Connection Due To Prelogin Failure

Oct 28, 2015

I unable to setup a linked server on sql server 2012. The destination server is on sql server 7.0. I can able to setup the same linked server on sql 2005 sp4 and sql 2008 r2 but unable to setup on 2012. I am getting the below error message. OLE DB provider "SQLNCLI11" for linked server "" returned message "Client unable to establish connection due to prelogin failure".

Msg 10054, Level 16, State 1, Line 0

TCP Provider: An existing connection was forcibly closed by the remote host.

OLE DB provider "SQLNCLI11" for linked server "" returned message "Client unable to establish connection".

Msg 26, Level 16, State 1, Line 0

Client unable to establish connection because an error was encountered during handshakes before login. Common causes include client attempting to connect to an unsupported version of SQL Server, server too busy to accept new connections or a resource limitation (memory or maximum allowed connections) on the server.

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Oct 28, 2015

I unable to setup a linked server on sql server 2012. The destination server is on sql server 7.0. I can able to setup the same linked server on sql 2005 sp4 and sql 2008 r2 but unable to setup on 2012. I am getting the below error message. OLE DB provider "SQLNCLI11" for linked server "" returned message "Client unable to establish connection due to prelogin failure".

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The Underlying Connection Was Closed: Could Not Establish Trust Relationship With Remote Server.

Sep 21, 2007

I am trying to setup SQL Server 2000 Reporting services with an SSL connection. The SQL Server (Windows Server 2003 SP2 Standard) and Reporting Server (Windows Server 2003 R2 SP2 Standard) are on separate machines. I have tried setting up Certificates from both and Stand-Alone and Enterprise CA. I have tried several combinations of the Issue To name (server | server.company | server.company.local) I have modified the rsWebApplication.config and rsReportServer.config to match the certificate��s Issue to exactly. I have tried installs with both Domain Accounts and NT AUTHORITYSYSTEM logins. I have managed to get https://server/ReportServer to work but I have had no luck with the report manager https://server/reports. How do I fix this error?

Thankyou

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The Underlying Connection Was Closed: Could Not Establish Trust Relationship For The SSL/TLS Secure Channel

Nov 17, 2006

I'm using SQL Server 2005 (SP1) Reporting Services on Windows Server 2003 SP1. I access the report server from Internet using SSL, but the server is not exposed directly to the internet. It is behind a firewall, where the required ssl port is setup and is working fine.

In my Reporting Server, the /ReportServer folder works perfect and I can navigate and view all reports. It is the /Reports folder the one that does not work fine. I can enter the /Reports folder, and can list all the reports. But, when I select one of the reports, and it starts rendering, I get the error message:

"The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. The remote certificate is invalid according to the validation procedure."

How can I fix this?

Thanks,

Julio

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Aug 3, 2006

Hi All,

I have downloaded Microsoft Enterprise Library 2005 from microsoft.com. I am trying implement Data Access Layer with visual studio 2003. I am able to access some functions of the DAL but I am not able to establish connection with SQL Server 2000.

Will anyone tell me the solution for the above issue.

Thanks & Regards,

Bijay

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Accessing MSDB Shows Client Unable To Establish Connection... Encryption Not Supported Error

Nov 23, 2006

Hi,

I currently have SQL2005 Std, using 2 separate domain accounts for both SQL server and SQL agent. When accessing the MSDB stored packages folder from mgmt studio, I get the following error:

Client unable to establish connection.
Encryption not supported on SQL server.

I did google for this error, but have tried all suggestions, including updating the MsDtsSvr.ini.xml file with the servername. I am using a default instance.

Also, I am only able to access the MSDB folder if I set the SQL service account to the local admin account. I have also set the SQL service account to be part of the local admins group, but without any luck.

TIA.

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Re-establish Database

Mar 5, 2004

I recently upgraded my Laptops operating system to Win XP Pro, and ran into data connectivity problems with my desktop SQL Server 7. To resolve the connectivity problems I removed SQL 7 and reinstalled SQL 7. My connectivity problems have been resolved however I lost the database from my server. The data base exists but it is not recognized from the SQL Server Enterprise Manager.

Is there an easy way to re-establish the database?

Any assistance would be greatly appreciated, I have posted this thread here because there is little activity on the SQL 7 journal it seems that I am behind the curve.

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Apr 10, 2007

I have a web application developed in VS.NET 2005 [using C# as code behind]; and it uses SQL Server 2000 Enterprise edition as backend.
The application runs fine, though it gives an error on IRREGULAR intervals on SQL data requests.
Error 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)

My problem is this:
1) Why does it show an error of SQL 2005, while I use SQL 2000. SQL 2005 is not even installed on the server, though VS.NET 2005 is installed.
2) The error comes only at irregular intervals. Users are able to login properly otherwise.
3) Application starts working again if we do either of the following: (a) Restart IIS (b) Restart application pool (c) Restart server.
4) Named pipes and TCP/IP are added to the "Network Configuration" of the SQL server 2000.
5) Error does not come on any specific page; or any specific code; or at any specific time.
6) We do not have any background service or any other activity happening on the server; and the server hosts only this application, within a single virtual root.

Any thoughts on why is this happening, and how to resolve this?

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Client Unable To Establish Connection Encryption Not Supported On SQL Server. (Microsoft SQL Native Client)

May 2, 2006

On Windows XP systems I get the following issue when trying to browse the MSDB folder in SSIS

Client unable to establish connection
Encryption not supported on SQL Server. (Microsoft SQL Native Client)

I have noticed another post where several others have noticed the same issue. It appears to only occur on Windows XP installations. Is there a workaround or fix for this?

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Jul 23, 2007

I fail to use project professional 2003 to access to the project server 2003 using MSDE 2000 in local area network, following message was shown,

Connection failed:

SQLState: '01000' SQL Server Error 1326 [Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionOpen (Connect())
Connection failed:
SQLState '08001'
SQL Server Error: 17
[Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or access denied.

I have seen these pages with similiar cases but can't help.

http://support.microsoft.com/kb/818047/

http://support.microsoft.com/kb/837653/en-us

Can anyone help me?? Thanks a lot!

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Aug 23, 2006

I added a connection (ADO.NET) object by name testCon in the connection manager - I wanted to programmatically supply the connection string. So I used the "Expressions" property of the connection object and set the connectionstring to one DTS variable. The idea is to supply the connection string value to the variable - so that the connection object uses my connection string.

Then I added a "Backup Database Task" to my package with the name BkpTask. Now whenever I try to set the connection property of BkpTask to the testCon connection object, by typing testCon, it automatically gets cleared. I am not able to set the connection value.

Then after spending several hours I found that this is because I have customized the connection string in testCon. If I don't customize the connection string, I am able to enter the "testCon" value in the connection property of the BkpTask.

Is this an intrinsic issue?

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Feb 28, 2008

I have two servers both installed sql server.The name of the servers are A and B respectively.
The admin of sql server in A is 'domainuserA', and admin of sql server B is 'domainuserB'.

My purpose is create a mirroring for a database in server A, but i can establish endpoint in server A(network address can not be reached or does not exist), i have grant the 'connect to endpoint' permission to each login .

i past my code:

step1

Code Snippet
--Server A, principal
create database db_test
backup database db_test to disk='\sharefolderdb_test.bak' with init

create endpoint endpoint1
as tcp(listener_port=5002)
for database_mirroring
(role=partner)

alter endpoint endpoint1
state=started

create login [domainuserB] from windows
grant connect on endpoint::endpoint1 to [domainuserB]

step2

Code Snippet
--Server B, mirror
restore database db_test from disk='\sharefolderdb_test2.bak' with norecovery

create endpoint endpoint1
as tcp(listener_port=5002)
for database_mirroring
(role=partner)

alter endpoint endpoint1
state=started

create login [domainuserA] from windows
grant connect on endpoint::endpoint1 to [domainuserA]

alter database db_test set partner='TCP://A.corp.com:5002'

--step3

Code Snippet
----Server A, principal

alter database db_test set partner='TCP://B.corp.com:5002'

this step return a error message:

The server network address "TCP://B.corp.com:5002" can not be reached or does not exist. Check the network address name and that the ports for the local and remote endpoints are operational.

some wrong?

any suggestions would be appreciated.

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Mar 13, 2006

Hi ,

I got the following error message while trying to establish connection SQL DB : "Could not establish a connection to the database. If you have not yet created the SQL Server database, exit the Web Site Administration tool, use the aspnet_regsql command-line utility to create and configure the database, and then return to this tool to set the provider. "

in fact i have ran the utility and added the connection successfully and from the VWD i can see the table for the connections but when i run the ASP.NET Configuration it gives me the above error

appreciate ur kind advise

tks & rdgs

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Feb 22, 2001

Hi there,

Can anyone help me configure merge replication between two servers with same server name (select @@servername returns same server name) . When I am trying to establish the replication I am getting error message.

I cannot change the server names because both are production servers, so reinstalling SQL Server is out of question.

Thanks, Jay

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