Connecting An Application Server To DB Server

Apr 7, 2008

Hi all....

I'm not good t adatabases and never had to install one before, but I have an easy question....

I need to install a big application that needs a database server in the back end to run, I have a box with SQL2005 installed on it and I need to let the server be the database server for this application that will be installed on a seperate box....

How would I be able to point this application to the database server? (in general) do I need to install a SQL client on this server and point it to the SQL2005 server in the back?

Do I need to create a "new database" on the SQL sever and give it a name and credentials then point the application to that database? if that is the case, how would I do it?

Thanks.

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Jul 23, 2005

What is actually happening behind the scenes when you open a connectionto sql server in code such as C# or vb.net.

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Jan 30, 2007

When deploying my application that uses sql server it doesn't connect to the server.

I checked the connection string & it's ok the server instance is the same.

The computer name isn't the same & i use the .SQLExpress as the data source.

I get an error saying 'sqlserver does not allow remote connections error 26 locating server / instance specified'.

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Connecting To SQL Server Express From An ASP Application

Aug 31, 2006

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

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

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

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

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

If anyone has any input, I would be grateful.

Error Messages:

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

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

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

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

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

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


source name varied from .SQLEXPRESS, localhostSQLEXPRESS and machinenameSQLEXPRESS



Thanks, Tom

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Problems With Connecting To Sql Server 2005 From Java Application, HELP!

May 27, 2007

Hello, Everybody.



Help me please with one problem which I'm facing with while deploying java server application on my computer (this java app is jBilling). I have configured it as it was said in docs, I have added environment variable CLASPATH as Microsoft documentation said. I'm using SQL Server JDBC driver 1.2 by Microsoft. The result is that I find this message in log file:

2007-05-27 17:21:41,906 WARN [org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Throwable while attempting to get a new connection: null
org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (org.jboss.resource.JBossResourceException: Failed to register driver for: com.microsoft.jdbc.sqlserver.SQLServerDriver; - nested throwable: (java.lang.ClassNotFoundException: No ClassLoaders found for: com.microsoft.jdbc.sqlserver.SQLServerDriver))
at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:168)
... and so on.



I have copied sqljdbc.jar to lib folder of the server. That's how I specified connection string:

jdbc:microsoftqlserver://localhost:1434;DatabaseName=Billing;integratedSecurity=false;

Can not think out what to do else. Maybe somebody knows what to do about it?

Many thanks

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SQL Server Admin 2014 :: Application Connecting To AG Listener Static IP Address - Not Name

Jul 22, 2015

We have a bought in application written in Visual Basic 6 using ADO 2.7 to connect to SQL Server. The application has two connections strings and uses internal logic to determine which of the two connection strings connects to a read-write database. It does something as simple as trying an update that makes no changes to a very small table somewhere.

Previously this application connected to a Mirrored Database hosted on two Windows Server Failover Clusters and SQL Server 2005.For the future the App will be connecting this application to a SQL Server 2014 Availability Group.The Availability Group is made up of four servers, in a cluster, two at one site on Subnet A and the other two at a second site on Subnet B. The Availability Group has been given a Listener with a DNS name of AGLISTEST on port 1433 with two Static IP addresses, one for each subnet.

Our Contractor has configured the Application’s connection strings to connect to the two Static IP addresses assigned to the AG. He is of the opinion that although ADO has zero understanding of an Availability Group, at least one of the Static IP Address will translate to the Availability Group primary server because it is a Cluster Resource and so act like a Cluster IP Address on Windows Server Failover Cluster; i.e. sort of mimicking the previous configuration. This does work and he has demonstrated it, however I can’t find any article that proves to my satisfaction this is intended behavior not something that accidentally works. If it is accidental behavior then that would be something that might stop working at an unexpected point in the future.

All the research I have found relates to connecting to the AG Listener name, and all the multi-subnet issues and Active Directory issues that go with connecting using what is a legacy client.So; the question is, is this translation / redirection of static IP Addresses assigned to an Availability Group listener documented and safe?

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Can't Connect .Net Application From Windows Server 2003 To Database Server (SQL Server 2000)

Apr 3, 2008

Hi,
I am having a problem connecting my .net applications from the application server to the database server. When I run the application from my windows xp (sp2) box it works fine. When I try to connect via SQL Management Studio to the database server from the application server I get the same error.
Here is the error:
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)
 Here is the Environment:
App Server:
Windows Server 2003 Standard Edition
Inside Company's Firewall/ Network
Database Server:
Windows Server 2000 Advanced Edition
SQL Server 2000 SP4
Remote Connections to the Server is checked
Enable Protocols: Named Pipes & TCP/IP
TCP/IP Port: 1402 (I don't know why it isn't the default of 1433)
The db server is sitting out side the Company's firewall (don't ask me why). I can access it fine from inside the firewall on my XP box but not from windows server 2003. There is a web server outside the our network that also connects to the db server with no problem and that is running Windows Server 2003 Web Edition.
I can ping the db server from the app server using the IP address.
I tried using the IP address and the port 1402 in my connection string but that didn't work from any machine (XP and Server).
I imagine the issue is somehow related to the company's firewall but why would it only block Windows Server 2003 and not XP?
What do I tell the network admin to change?
Any help would be appreciated.
Thanks,
Oran
 

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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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Application Not Connecting To DB On Restart Of PC??

Mar 6, 2007

Hi,

i am stuck in a strange situation.
I
have successfully built my application setup through InstallSheild 12.
Which first installs SQL Express user define instance as a
pre-requisite and then install my application files. First time when i
run my application (without restarting the pc), it connects
successfully with user define instance.
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:

"/qn ADDLOCAL=SQL_Engine INSTANCENAME=MyInstance SECURITYMODE=SQL SAPWD="test" AUTOSTART=1"

if
i change Remote connection to "using both TCP/IP and named pipes"
through "SQL Server Surface Area Configuration" and then restart my pc
again. My application connects successfully with Database.

Please
guide me where i am getting wrong in building setup. do i have to add
something in my command line to not get this error

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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. (provider: SQL Network Interfa

Dec 10, 2007

I get the following error and have been trying to figure out why I keep getting it.  Initially, I had placed my project under wwwroot folder and ran it under IIS and it gave this error.  Then I moved it to my local C drive and same thing.  I am sharing this project with two other co-workers and all our config files and code files are same...they don't get this error but I do.  I checked that SQL Server Client Network Utility has TCP/IP and the 'Named Pipes' enabled.  I thought maybe I have setting in the Visual Studio 2005 that I'm not aware of that's causing this problem...it can't be the server since my co-workers aren't having this error and can't be anything in the code since all of us are sharing this project through vss.  I dont' think using different version of .net framework can create this error.  I changed the version from 2.0 to use 1.1x and it gave same error... Any help would be greatly appreciated.  Thanks in advance.
 
Server Error in '/RBOdev' Application.


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)
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: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)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): 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)]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +739123
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +188
System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject) +685966
System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +109
System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +383
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +181
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) +130
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
System.Web.DataAccess.SqlConnectionHolder.Open(HttpContext context, Boolean revertImpersonate) +84
System.Web.DataAccess.SqlConnectionHelper.GetConnection(String connectionString, Boolean revertImpersonation) +197
System.Web.UI.WebControls.WebParts.SqlPersonalizationProvider.GetConnectionHolder() +16
System.Web.UI.WebControls.WebParts.SqlPersonalizationProvider.LoadPersonalizationBlobs(WebPartManager webPartManager, String path, String userName, Byte[]& sharedDataBlob, Byte[]& userDataBlob) +195
System.Web.UI.WebControls.WebParts.PersonalizationProvider.LoadPersonalizationState(WebPartManager webPartManager, Boolean ignoreCurrentUser) +95
System.Web.UI.WebControls.WebParts.WebPartPersonalization.Load() +105
System.Web.UI.WebControls.WebParts.WebPartManager.OnInit(EventArgs e) +497
System.Web.UI.Control.InitRecursive(Control namingContainer) +321
System.Web.UI.Control.InitRecursive(Control namingContainer) +198
System.Web.UI.Control.InitRecursive(Control namingContainer) +198
System.Web.UI.Control.InitRecursive(Control namingContainer) +198
System.Web.UI.Control.InitRecursive(Control namingContainer) +198
System.Web.UI.Control.InitRecursive(Control namingContainer) +198
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +692



Version Information: Microsoft .NET Framework Version:2.0.50727.832; ASP.NET Version:2.0.50727.832

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Jan 24, 2008

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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. (provider: Named Pipes Provide

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Mar 10, 2008

I got problem connecting database to my asp application (in teh code of sign up button)
 
here's the code
 
 
 SqlConnection con = new SqlConnection();con.ConnectionString = ConfigurationManager.ConnectionStrings["connectionString"].ConnectionString;
 SqlCommand cmd = new SqlCommand();
cmd.Connection = con;
cmd.CommandText = "INSERT INTO Students (FirstName,LastName,Address,Birth_Day,Birth_month,Birth_year,Country,User_Name,Password,SecretQuestion,Answer,E_mail,Grade,Dep_Name) VALUES (@FirstName,@LastName,@Address,@Birth_Day,@Birth_month,@Birth_year,@Country,@User_Name,@Password,@SecretQuestion,@Answer,@E_mail,@Grade,@Dep_Name)";string firstname = this.FirstName.Text;
string lastname = this.LastName.Text;string address = this.Address.Text;
int bd = int.Parse(this.Birth_Day.Text);string bm = this.Birth_month.Text;
int by = int.Parse(this.Birth_year.Text);string cntry = this.Country.Text;
string UN = this.User_Name.Text;string pw = this.Password.Text;
string SQ = this.SecretQuestion.Text;string ans = this.Answer.Text;
string em = this.E_mail.Text;string grd = this.Grade.Text;
string dep = this.Dep_Name.Text;cmd.Parameters.AddWithValue("@FirstName", firstname);
cmd.Parameters.AddWithValue("@LastName", lastname);cmd.Parameters.AddWithValue("@Address", address);
cmd.Parameters.AddWithValue("@Birth_Day", bd);cmd.Parameters.AddWithValue("@Birth_month", bm);
cmd.Parameters.AddWithValue("@Birth_year", by);cmd.Parameters.AddWithValue("@Country", cntry);
cmd.Parameters.AddWithValue("@User_Name", UN);cmd.Parameters.AddWithValue("@Password", pw);
cmd.Parameters.AddWithValue("@SecretQuestion", SQ);cmd.Parameters.AddWithValue("@Answer", ans);
cmd.Parameters.AddWithValue("@E_mail", em);cmd.Parameters.AddWithValue("@Grade", grd);cmd.Parameters.AddWithValue("@Dep_Name", dep);
 
 
con.Open();
cmd.ExecuteNonQuery();  // the error appears here
con.Close();
 
could anyone Help me urgently???
 

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Jul 15, 2005

Hi,
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Oct 6, 1999

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Jun 24, 2007

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I am using the exact same code as when i use my own machine as the server, and it works great that way, only thing different is the trying to send to the web server.

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Mar 8, 2007

I'm trying to connect to a sql express database on my local machine, using the following connection string:

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However, I keep getting an error message saying "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."

Why would my application be trying to connect remotely when the database is on my local machine? And how can I fix this problem?

Thanks

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Sep 28, 2006

How do I get rid of this error message when tring to log into my web site user account stored on the default ASP.NET 2.o generated database on my local computer?

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Cannot open user default database. Login failed.
Login failed for user 'LANBOYASPNET'.

Where "LANBOY" is the name of my computer. I am logged in as myself "LANBOYKEVIN" My web page is trying to log into the server using the name "ASPNET" which I assume is a standard ASPNET user name.

I thought it was failing because I needed to grant access to this user in the server, so I added the account for the server. Same problem.

So I thought I needed to create this user in my Windows XP user list. When I tried it said "this user already exists" even though it isn't displayed in the list. That is when I realized that it is a standard user established by ASP.NET. It is probably supplied in the C# code through a base class.

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Sep 20, 2007

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Jan 26, 2007



I have created an application which uses a SQL Express database. The program runs fine on the the computer where I built the app, however when I install the app on another computer I get an error telling me that under default SQL Express does not allow remote connections. The problem is that I dont want a remote connection I want a local connection, the database file is on the commputer. How can do get my application to look for the database on the local machine.

My connection string is:

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I have made sure that the file is in the correct directory.

Any help would be greatly appretiated

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Oct 31, 2007

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i am going to place my web application on local server (C# asp.net 2.0) .
thank you,
 
i tried this code
c# file
 public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
protected void Button1_Click(object sender, EventArgs e)
{
Uupdatedata();

}
public void Uupdatedata()
{
string constr1=ConfigurationSettings.AppSettings["abccon1"];
string constr2 = ConfigurationSettings.AppSettings["abccon2"];
System.Data.SqlClient.SqlConnection dbcon1 = new System.Data.SqlClient.SqlConnection(constr1);
dbcon1.Open();
System.Data.SqlClient.SqlConnection dbcon2 = new System.Data.SqlClient.SqlConnection(constr2);
dbcon2.Open();

SqlDataReader dr;
SqlCommand cmd = new SqlCommand("select * from Unit_Master",dbcon1);
dr = cmd.ExecuteReader();
while (dr.Read())
{
string Sql = "insert into Table1(Unit_Id,Unit_Desc) values(" + dr.GetInt32(0).ToString() + "," + dr.GetString(1) + ")";

SqlCommand cmd1=new SqlCommand (Sql,dbcon2);
//cmd1.EndExecuteNonQuery ();

}

//dr.Close();
//dbcon2.Close();
}
 web.config<configuration>
<appSettings>
<add key="abccon1" value="Data Source=comp01;Initial Catalog=abc;User Id=sa ; Password=sa"/>
<add key="abccon2" value="Data Source=comp01;Initial Catalog=abctest;User Id=sa ; Password=sa"/>
</appSettings>
<connectionStrings/>
 this 2 databases are from single my loacl server
it wont work it gives exception
please healp me.

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Application Insist Open SQL Server 2005 While The Host Still With SQL Server 2000

Mar 12, 2007

I don't know why my application on the internet try to access the SQL Server 2005, when the host still having the 2000 edition. I put the following connection string: 
        Data Source=##DBSERVER##;Initial Catalog=##DBNAME##;User ID=##DBUSER##;Password=##DBPASSWORD##;       
 
Isn’t everything fine with that? I created the table by host but dosen’t work. I’m wondering if can I conect straight with Data Base, without register in the server, like with mdb?
 
This is the error that I’m getting.
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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Dec 6, 2007

Hi,

I am developing a windows application that needs to communicate with a remote SQL server 2005 database. Server allows remote connections and MSDTC service also running. Do I need to run MSDTC service on the client machine where I use desktop application ? any ideas ? It's throwing some error like
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.

But my SQL Server allows remote connection, and I am able to do a select statement.
But when I insert/update anything, it's throwing this error. I guess some problem with MSDCT. Anybody have any idea ?

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Dec 25, 2007

Hi!!

I'moving my asp application to a new hosting server.

So when i tried the setup locally with the live DB & application in my test machine...
The DB access is denied when application tries to hit the DB.


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Kindly help me with your suggestions....on what went wrong?

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Error Connecting To Remote Server Using Microsoft SQL Server Management Studio Express

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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An Error Has Occurred While Establishing A Connection To The Server. When Connecting To SQL Server 2005, This Failure May Be Cau

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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When Connecting To SQL Server 2005, This Failure May Be Caused By The Fact That Under The Default Settings SQL Server Does Not A

Mar 2, 2008

My environment:

Home PC
Vista Ultimate
SQL Server Developer 2005


I'm about to go absolutely nuts. I've tried so many things including:

1) Of course making sure Remote connections and both TCP/IP and named pipes are enabled for SQL 2005
2) Verified my connection string works. I even tested it in Enterprise Library using the tool and it connects successfully via windows authentication
3) Made sure of course my logged in user is a member of the administrator group and that my user in SQL 2005 logins has db_owner and full rights to the DB I am connecting to. I also made sure the NT AUTHORITY as well as the 3 sql service users have db_owner rights as well as the adminstrator in the SQL Server logins all have db_owner to the DB
4) Started the SQL Server Browser service, SQL Server DB engine, and SQL Server Agent
5) Made sure my site is setup right in IIS 7. I checked the connection string in there as well as it shows up in IIS7 in one of the sections. Using Windows authentication and it is enabled for my site
6) Tried running the .net site using both localhost (IIS) and also tried using the Visual Studio built-in web server. Both give this message still


Error Details:

Server Error in '/' Application.






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)

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): 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)]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +800131
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +186
System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject) +737554
System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +114
System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +381
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +181
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +173
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +357
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +30
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +424
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +494
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105
System.Data.SqlClient.SqlConnection.Open() +111
System.Web.SessionState.SqlStateConnection..ctor(SqlPartitionInfo sqlPartitionInfo) +79

[HttpException (0x80004005): Unable to connect to SQL Server session database.]
System.Web.SessionState.SqlSessionStateStore.ThrowSqlConnectionException(SqlConnection conn, Exception e) +227
System.Web.SessionState.SqlStateConnection..ctor(SqlPartitionInfo sqlPartitionInfo) +349
System.Web.SessionState.SqlSessionStateStore.GetConnection(String id, Boolean& usePooling) +285
System.Web.SessionState.SqlSessionStateStore.SetAndReleaseItemExclusive(HttpContext context, String id, SessionStateStoreData item, Object lockId, Boolean newItem) +178
System.Web.SessionState.SessionStateModule.OnReleaseState(Object source, EventArgs eventArgs) +476
System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +92
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64




Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433

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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)
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<connectionStrings>
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C# code
string myConnectionString = ConfigurationManager.ConnectionStrings["MyConnectionDB"].ConnectionString;
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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:

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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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Hi All,
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I verified that:


service is running,

in surface area configuration: remote connections to local and remote are enabled, for TCP/IP and named pipes.

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Hi,

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Is it because its sitting in a shared environment I am unable to view that?

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Should I mention fill the Server: field as 

abc.trident.com

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Hi,



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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!
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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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