SQL Server :: 2008 R2 - Can't Connect To Db
Dec 30, 2010
I have installed sql 2008 R2 and also sql management studio. I am able to connect to the db through windows and sql authentication. I have then installed VS2010 express edition. When I goto Database explorer, right click on data connection, I can see only add connection which is not grayed out. From here no matter what I do, I cannot connect to the db. Infact I get 3 optins 1. Acess database file, 2. sql server compact 3.5 , 3. sql server database file
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Aug 27, 2010
I just installed SQL Server 2008 Management studio Express on my Vista machine.i tried connecting to local machine using :
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nothing is working, getting this error:
-----------------------------
Cannot connect to PC-NAMESQLEXPRESS. A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
----------------------------
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Aug 4, 2010
I am using Sql Server 2008 to connect to a Remote Server. Everything was working fine for the last couple of months, and i was successfully connecting to the remote server. Today it suddenly stopped connecting to the remote server. note that i did not alter any configuration settings. Did my isp block Sql Server. My ISP is using ISA SERVER? The error details are:
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (.Net SqlClient Data Provider) I am using Microsoft Firewall Client For ISA Server for opening ports. But today nothing is working.
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Nov 1, 2010
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Jul 29, 2010
iam trying to connect dataset to an sql server 2008 iam using asp.net 3.0 but when i try to add a stored procedure to a dataset it gives an error "An unexpected error has occured" Error message:unexpected error
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Feb 10, 2011
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Apr 15, 2010
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Nov 10, 2010
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Mar 12, 2010
In the VS2008, everything works just fine. But after deploy app to the IIS7, tried to access SQL Server 2008 on the same PC, I got the following errors:
[SqlException (0x80131904): Login failed for user 'NT AUTHORITYNETWORK SERVICE'.]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +4846887
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +194
[Code]....
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Sep 23, 2010
be it's a wrong place to ask the following question. Sorry for that. Our hosting provider has recently upgraded their database server from Sql Server 2005 to 2008 and I'm getting errors to connect with remote server from my development machine. Error Message "Invalid connection". Tried to find solution on net but couldn't find it.I'm using .Net 1.1. Though we've updated versions 2.0,3.5 & 4.0 but due to some certain circumstances I've no way to update it. It's a web based project. The following connection string works fine for Sql Server 2000 & 2005 but not for 2008.<add key="ConnectionString" value="Data Source=Remote Server's domain name;Initial Catalog=database name;User ID=user name;Password=surround;Persist Security Info=True;Pooling=false;Connect Timeout=45;" />Here Remote Server's domain name indicates to remote db server like: test.mysite4now.comdatabase name for example: test_surrounduser name like test_surroundpassword: surround.Can anyone inform me what's wrong with the above connection string to connect to Sql Server 2008.
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Jan 3, 2011
I'm trying to publish an ASP.NET website over an IIS 6.0 (Windows 2003 Server), and I have some troubles trying to connect to the database. Curiously, I have installed another ASP.NET website into the same IIS 6.0 with the same properties and security parameters and can connect without problems with the same database. The application that works fine is almost the same that the one that can't connect with SQL Server (actually is the same but with several modifications).I'll enumarate some information related to the problem:
S.O: Windows 2003 Server
SQL Server Engine: SQL Server 2008 SQL Server accept remote connections? Yes.
ASP.NET version: 2.0.50727
The connections via TCP/IP are enabled to the SQL Server instance? Yes.
The corresponding user that I have in the connection string, actually exists into the database with the "owner" role? Yes.
ORM Tool used: nHibernate
I get the following error when I try to run the aplication into the browser:
Error while establishing a connection
to the server. When connecting to SQL
Server 2005, this failure may occur
because the default settings SQL
Server does not allow remote
connections. (provider: Shared Memory
Provider, error: 40 - Could not open a
connection to SQL Server)
I made some test. For example, using the web app that works fine I can connect without any problema with the database that uses the web app that can't. With this evidence I concluded that the problem is within the web app and not into the SQL Server instance.
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Mar 10, 2010
To use: System.Data.Oledb or ADOMD.NET .NET provides connection pooling by default. Can it acheived in ADOMD.NET?
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Jul 20, 2010
Upgraded from SQL Server 2005 to 2008, now when my app tries to execute If Membership.GetUser() Is Nothing Then it says A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified). Confused as to whether this is a problem connecting to ASPNETDB.MDF or my DB in general so I went into Server Explorer and created a connection to my DB, tested successfully, then grabbed the connection string. It matches what's in my web.config so I think the problem is ASPNETDB.MDF only works with SQL Server 2005 Express. If this is true, what do I need to do to use this app with SQL 2008? Should I just delete ASPNETDB.MDF?
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Feb 21, 2011
in my ASP.NET applicaton I have ftpdata folder, where is MS Access 2010 somename.accdb file. On my local computer (Win XP), there is no problem to connect with OleDb to this file and read write datas into and from tables. But on server (Windows Server 2008), I cannot connect to the same file like on localhost.
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Jan 8, 2010
I started a new Sql Server 2008 with mixed authentication Windows and SQL SERVER AUTh... I created a new login account and use it to directly connect in SQL server managment studio BUT... when i create in VS2008 the connectionstring... everytime i try to open the DB connection i take an exception to the login... some screenshots show all the process ;)
LOGIN: admintvmaismais
PASSWORD: ex
Working to connect in SQL SERVER MANAGEMENT...
LOGIN STATUS ON SQL SERVER MANAGEMENTE
Now in VS2008 Web-Config I declare the connectionstring:
<connectionStrings>
<add name="SqlConnectionString" connectionString="Server=JP;Database=tvmaismais;User ID=admintvmaismais;Password=ex;" providerName="System.Data.SqlClient" />
</connectionStrings>
and When i try to open a connection like this:
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["SqlConnectionString"].ConnectionString);
try
{
conn.Open();
...
}
catch (Exception e)
{
retorno = e.Message.ToString();
}
finally
{
if (conn.State == ConnectionState.Open)
conn.Close();
conn.Dispose();
}
I get this exception: Cannot open database "tvmaismais" requested by the login. The login failed. Login failed for user 'admintvmaismais'. What am I missing? What do i need to do, to get this login to work?
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Jul 31, 2010
I am using VS 2008 that worked fine using the standard ASP.net security with the Web Administration Tool and SQL Server 2005.
I had to install SQL Server 2008 which also meant I had to uninstall SQL Server 2005. Now when I try to use ASP.net security by pulling the Login box from the toolbox to my form and then go to configure this I get an error.
"Unable to connect to SQL Server database."
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Aug 18, 2010
I'm getting th error "unable to connect to the asp.net development server 2008"
It's been working fine for months and all the sudden.I'm fairly new at this so if you have a fix I will need details.
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Nov 4, 2010
I have asp.net application, using LINQ to connecto to SQL Server 2008 R2 databse. My connection string: Data Source=[SqlServerIp];Initial Catalog=[databaseName]User Id=newLogin;Password=newPassword; When I deploy application on my local IIS (which is not the same machine as database server)
it works fine, but when I deploy application on other IIS (the same machine as sqlServer) it throws an exception: System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. how to fix it? Maybe it is due to some bad configuration of IIS?
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Mar 15, 2012
I have one Main crystal Report where I am importing two sub reports.
Single report is working fine but after adding sub report it is throwing the Error.
(I am not showing report. report is downloaded as PDF)
Logon failed.
Details: crdb_adoplus : Object reference not set to an instance of an object.Error in File C:DOCUME~1a422846LOCALS~1Temp
ptMain {60D10EF9-D186-4074-90E3-64D6F0D17B02}.rpt:
Unable to connect: incorrect log on parameters
rptMain has two sub reports.
Code:
DataTable dt =(DataTable)Session["Details"] ;
ReportDocument rptDocument = new ReportDocument();
ExportOptions exportOptions;
CrystalDecisions.Shared.TableLogOnInfo myLogin;
myLogin = new CrystalDecisions.Shared.TableLogOnInfo();
[Code] ....
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Jan 4, 2010
how to connect ASP to MySQL database. I have already install MySQL in my localhost, Add a connection through Data Source (ODBC) in ctrl panel and test connection succeed. Now I want to show the query on my default.aspx page so that I can do the insert / update / delete my table data in MySQL.
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Jan 28, 2010
I am having an issue coinnecting to Oracle using the Oracle Database (OracleClient). I can connect to Oracle using other tools such as TOAD, POWERBUILDR, SQL PLUS but not Visual Studio. These other tools use the TNSNAMES.ORA file so that is not the problem. I can use use oledb and it connects ORACLE but not the ODP.Net.
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Feb 2, 2011
Can i connect to linked Servers on SqL 2008 R2 Express with webMatrix?
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Apr 15, 2010
Would something be missing, not working, or confusing if I do this? First, install SQL Server 2008 Standard, and SP1. Then, install Visual Studio 2010 Professional, unchecking SQL Server 2008 Express option. Or would I need to fix any configurations afterwards?
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