SQL Server Does Not Exist Or Access Denied
Sep 17, 2004
Hello Everyone and thanks for your help in advance. I am having an awful time debugging a SQL Server Connection issue. I have a new installation of a Windows 2003 Server and SQL Server 2000. I have an ASP.Net application that is currently functioning on a Windows 2000 Server. I have donwloaded all of the latest service packs. I have verified that the SQL Server uses both SQL Server and Windows authentication. I have set the connection string in the web.cinfig to:
server=(local);uid=sa;pwd=password;database=Northwind
But nothing seems to get me connected. I have read numerour KB articles, but can't get resolution. I desperately need help. Any insight would be enormously appreciated. Thanks.
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Apr 22, 2015
When i am trying to start our hospital software based on SQL server 2000, it shows Following Error.Search Condition is not valid, (DBNETLIB) Connection Open (connect()).  SQL server does not exist or excess denied. Due to Fetch data.I run our software in Windows 8.1, while it smothly runs in previous version of Windows XP and 7.
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Oct 6, 2006
I have recently deployed a web app that I have been developing onto the production server (Windows 2003 SP1 + an SQL Server 2000 SP4 cluster). The web app uses both Enterprise library and another Dotnet based database abstraction layer to query SQL Server. However, on deployment, when requesting data through both abstraction layers, I receive the generic SQL Server does not exist or access denied. However, I have validated the configuration of Enterprise library by creating a simple diagnostics console app that uses the exact enterprise library configuration file and this can connect without a problem. It seems like only web applications are affected though this is fairly standard web app using ASPNET, user , no impersonation etc. Therefore I suspect something similar to permissions on dlls or similar. I have looked around at Windows, WindowsSystem 32, the Dotnet framework but can anyone suggest any other areas to look at?
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Oct 7, 2006
Error: SQL Server does not exist or access denied.string select="select trainerid from trainer where username='"+user+"'";Line 78: comm=new SqlCommand(select,con);Line 79: con.Open();Line 80: dr=comm.ExecuteReader();Line 81: while(dr.Read())where should i set this so that the sqlserver can be access.. 1 private void btnsubmit_Click(object sender, System.EventArgs e)
2 {
3 string user=TextBox1.Text;
4 string password=TextBox2.Text;
5 Session["uname"]=TextBox1.Text;
6 Session["logintime"]=DateTime.Now.ToString("dd MMM, yyyy");
7 string connectionstring=ConfigurationSettings.AppSettings["connstring"].ToString();
9 con=new SqlConnection(connectionstring);
10 string select="select trainerid from trainer where username='"+user+"'";
11 comm=new SqlCommand(select,con);
12 con.Open();
13 dr=comm.ExecuteReader();
14 while(dr.Read())
15 {
16 Session["trainerid"]=dr["trainerid"].ToString();
17 }
18
19 Response.Redirect("tmenu.aspx");
20 if(CheckBox1.Checked=true)
21 {
22
23
24 DateTime dt=DateTime.Now;
25 TimeSpan ts=new TimeSpan(0,0,1,0);
26 HttpCookie cookie2=new HttpCookie("Username1");//creating http cookies
27 cookie2.Values.Add("name",user); //assigning first key value
28 cookie2.Values.Add("pword",password); //assigning second key value
29 cookie2.Expires=dt.Add(ts); //assigning the expires of cookie
30 Response.Cookies.Add(cookie2); //stored cookie to the client machine cookie folder
31
32 }
33
34
35 }
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Nov 30, 2006
Does the error below look familiar to anybody? I cannot seem to get past it! My connection code is
<sessionState mode="SQLServer" stateConnectionString="tcpip=BRAHMA" sqlConnectionString="data source=epscor;user id=epscorser;password=epsc0r" cookieless="false" timeout="60"/>
Help in solving this appreciated! -Steve
SQL Server does not exist or access denied.
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: SQL Server does not exist or access denied.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: SQL Server does not exist or access denied.]
System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction) +474
System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction) +372
System.Data.SqlClient.SqlConnection.Open() +384
System.Web.SessionState.SqlStateConnection..ctor(String sqlconnectionstring) +92
[HttpException (0x80004005): Unable to connect to SQL Server session database.]
System.Web.SessionState.SqlStateConnection..ctor(String sqlconnectionstring) +189
System.Web.SessionState.SqlStateClientManager.GetConnection(Boolean& usePooling) +98
System.Web.SessionState.SqlStateClientManager.SetAsyncWorker(String id, SessionStateItem item, Byte[] buf, Int32 length, Boolean inStorage) +44
System.Web.SessionState.SqlStateClientManager.System.Web.SessionState.IStateClientManager.Set(String id, SessionStateItem item, Boolean inStorage) +147
System.Web.SessionState.SessionStateModule.OnReleaseState(Object source, EventArgs eventArgs) +465
System.Web.SessionState.SessionStateModule.OnEndRequest(Object source, EventArgs eventArgs) +44
System.Web.SyncEventExecutionStep.System.Web.HttpApplication+IExecutionStep.Execute() +60
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +87
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Feb 8, 2007
Hello everyone,
I’m hoping that someone could help explain why I get this error “SQL Server does not exist or access denied.� . I’ve migrated to the web server from my local machine and these are the steps I took:
1.Copied folder to web server.
2. Changed connection string to connect to DB
3. modified web.config
Being the first time I’ve done this I’m also posting the connection string and config file code.
this.sqlConnect.ConnectionString = "Provider=sqloledb;Data Source=serverAddress;Initial Catalog=myDB;User Id=myLogin;Password=myPass";
I changed it from this:
this.sqlConnect.ConnectionString = "workstation id=myComputerName;packet size=4096;integrated security=SSPI;data source=myComputerName;pers" + "ist security info=False;initial catalog=blog";
the config file:
<sessionState
mode="InProc"
stateConnectionString="tcpip=mssql.mySqlSource.com:42424"
sqlConnectionString="data source=mssql.mySqlSource.com;Trusted_Connection=yes"
cookieless="false"
timeout="20"
/>
Question- that port number, does it need to be changed?
I know that the server is running both 1.1 and 2.0 framework. Not sure if that could be an issue or not.
In Advance I want to say thanks for any support I receive.
The Fatthippo.
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Feb 16, 2007
We have sql server with the name production1 (IPID:100.102.33.33) ,from asp.net iam able to connect properly ,yesterday we changed the ip Id of this system(production1) from that time if iam trying to connect from asp.net code it is giving error sqlserver does not exists access denied.
Iam able to connect in query analyzer by using same userid,password.
Iam able to connect in vb.net with same connection string which iam using in asp.net
Iam unable to connect in asp.net error sqlserver does not exists access denied.
Please help me is there any problem with asp user or what?
Thanks
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Jan 6, 2008
I think its my server because I cant get it to link up to an Access data base either, heres the error I get.[DBNETLIB]ConnectionOpen (Connect()),]SQL Server does not exist or access denied.Im pretty sure that all the fields that I entered are correct though.What could be the problem? Someone mentioned that the network protocol configuration maybe isnt setup right. Could this be the problem? If so how would I properly configure this?
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Jun 17, 2008
I've got a SQL2000 named instance on a box that also has SQL 2005. Both database versions have run side by side for some time and I don't USUALLY have a problem (famous last words!).
I'm currently getting the error in the subject line trying to connect to it as "MACHINENAMESQL2000", SQL2000 being the named instances, from another machine. It works fine from the local machine, naturally. I have verified my creditials, i.e. both Windows Authentication and a SQL login work fine from the local machine. The machines are physically on the same subnet (they're actually side by side) and both can talk to each other just fine, i.e. they ping, and can map drives, etc.
Any tips/ideas on how to trouble shoot this? Is there a new security switch that needs to be set to make the db visible to other machines??
-Confused
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Nov 12, 2003
I' ve wrote the following simple asp.net code to test the connection to my local SQL server:
SqlConnection connection = new SqlConnection ("server=localhost;uid=sa;pwd=;database=pubs");
try
{
connection.Open();
}
catch(SqlException ex){
Label1.Text= ex.Message;}
finally{
connection.Close();}
But each time I got the following errors:
SQL Server does not exist or access denied.
Can anyone help me find out when my problem lies?
BTW, the SQL service in Control Panel has been started, and my local SQL server uses windows and SQL authentication. When I use osql -E -S MyMachineName(This MyMachineName is some kind SQL Server Registration in SQL Server Group of SQL Server Enterprise Manage), everything seems to be fine, but it does not work when I use osql -E -S localhost.
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Nov 14, 2003
Trying to get Quickstart tuts up and running. I get this error whenever i try to run any examples.
System.Data.SqlClient.SqlException: SQL Server does not exist or access denied
I installed the MSDE (i think) and i see the service MSSQL server running.
I don't see the icon in the system try that shows SQL server is running. I don't even know how to check to see if the MSDE is installed. There is nothing in my Start>>Program Files MSDE related. What am i doing wrong? Thanks!
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Nov 17, 2003
Trying to get the Quickstarts up and running. When i go to one of the server side data access tutorials i get the error: SQ: server does not exist or access denied. I am using SQL server 2000. Any reason i would be seeing this?
Also, to see the quickstarts i have to browse to httP://localhost/quickstart/.....if i try to go to http://machinename/quickstart/ i get access denied. Any reason for that?
Thanks for any help.
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Nov 25, 2003
I'm getting the following error when I run my web app:
SQL Server does not exist or access denied.
I created a role in my db and added a user to that role.
I gave the user the appropriate permissions.
I also gave the user the appropriate permissions to my tables.
Thank you,
Tina
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Dec 12, 2003
Hi,
I get the following error when I try to access SQL Server:
SQL Server does not exist or access denied.
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: SQL Server does not exist or access denied
and I also get the following Warning in the System Log
The server was unable to logon the Windows NT account 'ECOM411-BOYSSWGASPNET' due to the following error: Logon failure: unknown user name or bad password. The data is the error code.
I have settup the account 'ECOM411-BOYSSWGASPNET' on the SQL Server and have given it access to the my DB... Could some one tell me what could be wrong??
How can I fix this probelm..
Thanks
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Dec 19, 2003
I have 2 servers. one is the web server and the other is the sql server. web server(iis) is on windows 2000 and sql server is hosted on windows 2003
i can't connect to the sQL Server hosted on my Windows 2003 machine from an asp.net application. This is the error message i am getting. "SQL Server does not exist or access denied."
The sql server is set for both windows and sql server authentication. I have no problem connecting to it from the Web server using Enterprise Manager or Query Analyser.
The password is correct and username sa has full access.
This is the code i am using. the code is fine. i have used it 100s of time. the code below will work if i change the data source to "localhost" to connect to the sql server that is hosted on the same machine.
Dim strCon As String
strCon = "data source=Data1;initial catalog=MyFriendsNet;password=blah;persist security info=True;user id=sa;workstation id=Web1;packet size=4096"
Dim MyConnection As SqlConnection = New SqlConnection(strCon)
Dim MyCommand As SqlCommand = New SqlCommand("Select * FROM Users", MyConnection)
MyConnection.Open()
Dim MyDr As SqlDataReader = MyCommand.ExecuteReader
While MyDr.Read()
Response.Write(MyDr("FirstName"))
End While
MyDr.Close()
MyConnection.Close()
This probably has to do with some kind of authentication issue. anyone have any ideas.
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Feb 11, 2004
Hi,
When i am running web server IIS 5.0 and SQL Server 2000 in the same machine, the following connection strings is working well:
server=(local);uid=sa;pwd='';database=databaseName
But, when i try to run Web Server IIS 5.0 on machnine A and SQL Server 2000 on machine B. The connection strings for connecting to the database server is:
server=serverName;uid=sa;pwd='';database=databaseName
The following error occurs:
Exception Details: System.Data.SqlClient.SqlException: SQL Server does not exist or access denied.
Source Error:
Line 70: myCommand.CommandType = CommandType.Text
Line 71: ' Execute the command
Line 72: myConnection.Open()
Line 73: Dim result As SqlDataReader = myCommand.ExecuteReader(CommandBehavior.CloseConnection)
Line 74:
Source File: c:inetpubwwwrootPSRBNetDesktopModulesCirrusMembershipDB.vb Line: 72
Stack Trace:
[SqlException: SQL Server does not exist or access denied.]
System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction) +484
System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction) +372
System.Data.SqlClient.SqlConnection.Open() +384
PSRBNet.Cirrus.MembershipDB.GetSingerMemberInfo(String MemberID) in c:inetpubwwwrootPSRBNetDesktopModulesCirrusMembershipDB.vb:72
PSRBNet.Cirrus.Test.Page_Load(Object sender, EventArgs e) in c:inetpubwwwrootPSRBNetDesktopModulesCirrusTest.aspx.vb:534
System.Web.UI.Control.OnLoad(EventArgs e) +67
System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Page.ProcessRequestMain() +731
Anyone facing this problem before? please help...
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Apr 21, 2004
Hi All, I'm working from the tutorials section of this site.
The code is below:
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>
<html>
<script language="VB" runat="server">
Sub Page_Load(Sender As Object, E As EventArgs)
Dim DS As DataSet
Dim MyConnection As SqlConnection
Dim MyCommand As SqlDataAdapter
MyConnection = New SqlConnection("server=(local)NetSDK;database=pubs;Trusted_Connection=yes")
MyCommand = New SqlDataAdapter("select * from Authors", MyConnection)
DS = new DataSet()
MyCommand.Fill(ds, "Authors")
MyDataGrid.DataSource=ds.Tables("Authors").DefaultView
MyDataGrid.DataBind()
End Sub
</script>
<body>
<h3><font face="Verdana">Simple Select to a DataGrid Control</font></h3>
<ASP:DataGrid id="MyDataGrid" runat="server"
Width="700"
BackColor="#ccccff"
BorderColor="black"
ShowFooter="false"
CellPadding=3
CellSpacing="0"
Font-Name="Verdana"
Font-Size="8pt"
HeaderStyle-BackColor="#aaaadd"
EnableViewState="false"
/>
</body>
</html>
This is the error:
System.Data.SqlClient.SqlException: SQL Server does not exist or access denied.
Hope you can help.
Thanks,
Dermot
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Jun 11, 2004
As shown by the post topic, I am trying to connect to a remote sql server through enterprise manager, and have been getting "SQL Server does not exist or access denied".
I have disabled Named Pipes, made sure it's listening on port 1433, triple-checked the user account, etc. Still nothing. The server is behind an ISA server, that has packet filtering turned on for 1433 also, yet I can't help but think the ISA server is to blame....
I am baffled after reading multiple tech docs and forum posts.
ANY HELP would be GREATLY APPRECIATED. (I'm pulling my hair out).
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Jun 21, 2004
Hello,
I am walking step y step with this tour:
http://www.asp.net/webmatrix/tour/section2/createnewdb.aspx
But when I came to this step:
http://www.asp.net/webmatrix/tour/section2/image/22_EnterDbName.jpg
I got the fallowing error message:
Could not create the database.
Sql server does not exist or access denied ConnectionOpen (Connect()).
I just installed:
http://www.asp.net/msde/default.aspx?tabindex=0&tabid=1
Your help is greatly appreciated.
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Aug 26, 2004
ASP.NET page on dev server and live server both access data on live server.
A couple of days ago I started getting "SQL Server does not exist or access denied" error when running the pages on the Dev server.
Looking at the live server logs I see:
Logon Failure:
Reason:Unknown user name or bad password
User Name:ASPNET
Domain:FS-DEVWEB-2000
Logon Type:3
Logon Process:NtLmSsp
Authentication Package:NTLM
Workstation Name:FS-DEVWEB-2000
What changed? Why can't the ASP.NET on the Dev server get SQL data from the Live Server. All the connection strings are correct. I can get the same SQL connection and queries running in Enterprise Manager and Classic ASP from the Dev server to the Live Server.
Any ideas how to fix this. I'm sure I just have to some how tell the live server to trust the Dev server.
Thanks
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Sep 11, 2004
I got this error when try to run dotnet application SQL Server does not exist or access denied .
Here is my connection string. It used to be working. THanks!
<add key="data" value="data source=66.25.45.27;initial catalog=EPLAN_DB_DEV;persist security info=False;user id=eplanuser;workstation id=laptop;packet size=4096;password=qnetuseradd>
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Sep 19, 2004
I get this error when trying to run my newly designed page
here is where it occurs
Server Error in '/NewParadoxDotNetConversion' Application.
--------------------------------------------------------------------------------
SQL Server does not exist or access denied.
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: SQL Server does not exist or access denied.
Source Error:
Line 230: 'Put user code to initialize the page here
Line 231: Me.DstUpgradesSQL1.Clear()
Line 232: Me.daUpgradesSQL.Fill(Me.DstUpgradesSQL1) <---------
Line 233:
Line 234:
Source File: e:inetpubwwwrootNewParadoxDotNetConversionamdupgrade.aspx.vb Line: 232
Stack Trace:
[SqlException: SQL Server does not exist or access denied.]
System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction)
System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
System.Data.SqlClient.SqlConnection.Open()
System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState)
System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet)
NewParadoxDotNetConversion.amdupgrade.Page_Load(Object sender, EventArgs e) in e:inetpubwwwrootNewParadoxDotNetConversionamdupgrade.aspx.vb:232
System.Web.UI.Control.OnLoad(EventArgs e)
System.Web.UI.Control.LoadRecursive()
System.Web.UI.Page.ProcessRequestMain()
--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET Version:1.1.4322.573
alright here is the problem though
Using this connection UNALTERED i can go into this data adapter run this query through query analizer and it works great
I can make it fill the dataset in the IDE but when i run the page it gives this error
when creating a connection to this computer i save the password so it should not need the password
when i create this connection I select the server i use my login I select the database click "Test Connection" and it works correctly and as i said earlier i can use this connection in the IDE without any problems what-so-ever
is there anything you can tell from this
in sql server under properties of the server -> under the security tab -> under authentication
i moved the option to "sql server and windows" from "windows only"
so that i could login from a remote server
is there something else i should change also?
The program works correctly on my development computer running sql server 2000 on windows 2000 pro
the other sql server that is giving me the problems is located on a windows 2003 server with sql server 2000
Thanks for any help you can give
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Sep 25, 2004
I am getting this message error when executing my first web application. I am using MSDE and executing on the same computer. Here is the code i am using. The name of the local computer is winxp.
<%@ Page Language="VB" Debug="true" %>
<%@ import Namespace="System.data" %>
<%@ import Namespace="System.data.sqlclient" %>
<script runat="server">
' Insert page code here
'
Sub Page_Load(Sender As Object, E as EventArgs)
Dim con as new sqlconnection("data source=winxp.contactos;integrated security=SSPI;Database=Contactos")
Dim da as new sqldataadapter ("select * from contactos",con)
Dim ds as new dataset()
da.fill(ds,"contactos")
ListBox1.DataSource = ds
ListBox1.DataTextField = ds.tables("Contactos").Columns("Cedula").ToString
ListBox1.DataBind()
end Sub
</script>
<html>
<head>
</head>
<body>
<form runat="server">
<asp:ListBox id="ListBox1" runat="server" Width="275px"></asp:ListBox>
<!-- Insert content here -->
</form>
</body>
</html>
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Nov 25, 2004
Hi,
I have problem in connecting SQL Server 2000.
The Operating System I am Using is MS 2000 Proffesional, I have Installed SQL Server 2000 Client.
I have Installed the SQL Server(Standard Edition) on MS Server 2003 and also the Sql Server 2000. This is my Domain Server.
Through ASP.NET when i am trying to connect through the Connection String it says "SQL Server does not exist or access denied"
I have no problem in connecting through SQL Server Manager & Query Analyzer.
Could Any one tell me the right way to connect to Remote Server.
Thanking You,
Regards,
M.Upendra Nath
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Dec 10, 2004
By any chance it it possible to find whether SQL Server is exist or not OR whether it is working or not from asp.net code?
I can redirect him if any runtime errors comes in my website.But I want more specifically tell the user that It's becuase of the SQL Server.
Same thing I want to do for SMTP (mail server) also.
Thanks
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Jan 24, 2005
Ever since I demoted my Active Directory domain controller, I haventn been able to connect to this server from a remote server on the same network. I havent been able to connect at all...not even from behind the firewall.
I'm thinking it has something to do with the logins getting jacked up somehow...after the demotion. I can share a folder on the demoted domain controller, and access it. I can also connect via to its IIS from the remote machines IIS. I'm only having trouble with this right here.
I also installed SQL Server client tools on the remote machine, but I doubt that has anything to do with it.
[code] SQL Server does not exist or access denied.
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: SQL Server does not exist or access denied.
Source Error:
Line 30: SqlDataAdapter ada = new SqlDataAdapter("SELECT id, name, acronym FROM schools", con);
Line 31: DataSet dst = new DataSet();
Line 32: ada.Fill(dst, "SchoolsData");
Line 33:
Line 34: System.Web.HttpContext.Current.Cache.Insert("SchoolsData", dst.Tables["SchoolsData"], null, System.Web.Caching.Cache.NoAbsoluteExpiration, System.Web.Caching.Cache.NoSlidingExpiration, CacheItemPriority.High, onRemove);
Source File: C:InetpubwwwrootmySitetonewinto_main.asax.cs Line: 32
Stack Trace:
[/code]
Just looking for nay help. Thanks in advance.
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Feb 7, 2005
I'm just learning ASP.NET and have been using WebMatrix to create a few simple pages which access an SQL Server database on another server. This has been working fine.
Now I'm trying to learn Visual Studio and have just done the "Creating a Web Application Project" walk-through. I'm accessing the same remote database and everything goes smoothly until I try to run the project.
No problems with Build Solution, I can 'Retrieve Data' from a table in Server Explorer, and the 'Test Connection' test worked properly. But, when I 'Start Without Debugging' (or a regular 'Start') I get the error:
"Exception Details: System.Data.SqlClient.SqlException: SQL Server does not exist or access denied"
Any help would be greatly appreciated. Thanks...
(I've gone through the walk-through 3 times using different databases (including Pubs) and always get the same results)
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Feb 12, 2005
hello
i run my web application and i get the error sql server does not exist or access denied
so what is the problem although my sql server is running and my connection in my application using the user sa
thank you for th ehelp and for the time
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Mar 1, 2005
I get the following message running an ASP.NET application on my development machine
SQL Server does not exist or access denied
It was working fine until a coupe of weeks ago, and our live website has no problem. What's weird is that tt works for about 10 mins and then it generates that error again, which means that the connection string is right..
We are using the mixed mode of Windows and SQL authentication and the protocol we use is TCP/IP and Named Pipes. I even tried rebooting the sql server and my development machine. It didn't resolve it.
This is really bothering me. Does anyone have any ideas?
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Mar 29, 2005
Hi,
I have a ASP.NET project running on a Windows XP Professional machine and a MSSQL Server 2000 running on a windows 2003 machine.This project connects to the MSSQL database for its dynamic content.
When running the project locally (project and mssql server on the same machine) it runs fine.But when running it in the configuration above (project on xp professional, mssql server on windows 2003) I get the error SQL Server does not exist or access denied.
I've searched google for quiet some time now and tried every solution I could find but I keep getting this error.I've also tried to run it on 2 XP Professional machines (one with the project the other with the mssql server) but still the same problem.Also tried connecting to the ip in stead of the dns, but no luck.Tried to change the port as well, but same problem persists.
When I do netstat -a on the windows 2003 machine I see the status CLOSE_WAIT for the port 1433 (same when changing to another port). Does this mean the port is being blocked? If so how can I open this port?
There are no firewalls running on the network.
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Apr 20, 2005
But it's not what you think...
Here's the twist: the connection from the web server to the SQL server works like 99% of the time. Meaning I have the credentials, connection string etc. configured correctly, right? However, this exception rears its ugly head randomly throughout the day. Below are my documented observations:
-The web server is able to communicate with other SQL servers always (I think). However, one in particular fails inconsistently when using references to the IP OR server name.
-The problem is occurring throughout the entire day, but not in correlation with any scheduled activity or pattern that we’ve been able to observe.
-Computers other than the web server are able to connect to the SQL server (via remote desktop or SQL Enterprise) and see the SQL service as running. I’ve even been able to run queries from my local machine while the web server claims that it doesn't even exist.
-Stopping the IIS and SQL services and or restarting the machine does not necessarily fix the problem.
A few other comments:
We are currently set to run Named Pipes, TCP/IP in that order. Also, our network consultant(which is supposed to be good) has "verified" that the machine is networked correctly. Meaning, it is on a static IP and whatever else they would normally check. My connection string is said by Microsoft to be completely supported -- namely "server=serverip;database=dbname;uid=sa;pwd=nottelling". Connecting with this string using the .net SqlClient does not require an ODBC system DSN to be set up does it?
Does anyone have any suggestions? I've tried EVERYTHING to get this to stop! I'm thinking of ripping out and replacing the NIC card in the suspected machines just for giggles. Below is my error just in case you've never seen it. Looks pretty normal to me...
SQL Server does not exist or access denied.
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. Source File: Line:
-->Stack Trace:
at System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction)at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)at System.Data.SqlClient.SqlConnection.Open()
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Jul 29, 2005
HiI am facing unique problem. I have made simple appilcation. It was working Prefectly. After some times when I made some modification. It stops working. It is giving following error message. ..................................................................................................................................
SQL Server does not exist or access denied. 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: SQL Server does not exist or access denied.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: SQL Server does not exist or access denied.]
System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction) +472
System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction) +372
System.Data.SqlClient.SqlConnection.Open() +384
System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState) +44
System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +304
System.Data.Common.DbDataAdapter.Fill(DataTable dataTable, IDbCommand command, CommandBehavior behavior) +28
System.Data.Common.DbDataAdapter.Fill(DataTable dataTable) +88
press2.Login.Button1_Click(Object sender, EventArgs e) in c:inetpubwwwrootewversionLogin.aspx.vb:50
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +108
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +57
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain() +1277
..................................................................................................................................Though older version is still working. We are uising same connection string in both version. Also See the bold part. It is giving location of file at c:inetpubwwwrootewversionLogin.aspx but our file is in D: drive. All other ASP.NET Application is also workingCan anyone tell me why this is happeningthanks
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Sep 26, 2005
I keep getting this error when I try and load a ascx control on my production server. It works on the design server but after copying the project to the production server and changing the connection string the error appears.What I can't understand is the I logon page is working, the logon page accesses the sql server, infact I am trying to access the same table that the logon page does in the ascx control.I have tried a number of connection strings, looked at permissions, and a number of other things. The query analzer allows me to connect to the sql and db.Any help would be greatly appreciated.1idesigned
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