NT Authentication/SQL Authentication
May 25, 1999
We're having a small problem with our Authentication on SQL. We set SQL up to use NT Authentication only. We then created a group on the NT Server and gave it the necessary permissions to make changes to the MSSQL7DATA directory on the SQL Server. Next we created the NT Logins on SQL. We're using Access 97 & ODBC to connect to SQL. Problem is that the first time the users open an Access 97 table, they get a prompt asking for an SQL Username/Password, or a checkbox option to use NT Authentication. I've just been having them click the "Use Trusted Connection." Is there a way to force NT Authentication and avoid having that popup box show each time Access is opened? I'd like it so that the user does not see any boxes when they open the table. I have a feeling we've left something out on the SQL side. Thanks for any help you can provide.
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Aug 22, 2007
I folks.I Have installed sql server 2005 express and choosed windowsauthentication on instalation, but i make a mistake and now i needmixed authentication, how can i modify this whithout uninstall andinstall again the application?thanks for the help.
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May 11, 2007
How to give authentication for Send Mail Task component?
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Apr 18, 2007
Hi there,I have installed MS SQL Server 2005 on my machine with windows authentication. But now I want to switch the authentication mode to SQL Authentication. I am unable to switch, I can’t find the proper way to do so here in 2005.Could any one help me in doing this?Thank you,-Ahsan
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Mar 25, 2004
Hello,
(Using win2k, sqlserver2k, framework 1.1)
I have an fairly data-heavy application that uses Windows authentication (Trusted connection/aspnet account) to connect to Sql Server. The site uses IIS basic authentication.
On the dev server everything works fine but when I move to the live server things get strange and it starts to crawl along. (Pages load OK but then it just crawls as it loads the datagrids etc. Sometimes it brings back incomplete/incorrect data )
BUT When I use Sql Authentication to connect to Sql Server and there is no problem at all!
Ok, there is something obviously wrong with the live server (which is identical setup to dev)but I dont know where to start.
Any ideas??
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May 15, 2006
Hi all,
I've got two applications which both have a database on my MS SQL 2000 server. The problem is, one application must use Windows Integrated Authentication (which it is currently using and cannot be changed) whilst the other application which I'm trying to configure must use a SQL password.
Since the server has already been configured to use Windows Integrated Authentication for the existing database and application, how do I configure the other database to use the SQL password?
Thanks.
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May 12, 2006
Hi all,
My work is using a shared application
which accesses a MSSQL 2000 database. To access the application, the
folder on the Windows 2003 Server is shared and users can access the
folder through a shared drive.
For the application to access the
database, it uses an ODBC connection to the MSSQL server which
originally used the SA password.
We have recently switched to using
Windows Integrated Authentication because we believe it offers a
higher level of security. However the only way in which we have been
able to enable this is to add the windows users to the SQL server.
The problem with this is that the
application sets permissions for individual users on what records
they can see within the database. We have found that by adding the
windows users to the SQL Server, they can bypass the permissions the
set by the application by simply using any application that can use
an ODBC connection, such as Enterprise Manager, and see all the
database.
One way around this would be to set up
domains of users with access privileges to the tables which reflect
the permissions set by the application, and configuring a view of the
data so they may only see the records that they have permissions to.
However to do this would require a high administrative cost to ensure
that changes made in the application are reflected in the privileges
of the SQL server.
Instead, is there a way the SQL server
can authenticate that the ODBC connection is coming from the correct
application using Windows Integrated Authentication?
This would allow the applcation to
determine security, and stop users from connecting to the SQL server
using other applications.
Alternatively, can the SQL server,
using Windows Integrated Authentication, also ask the application to
supply a username and password?
Any help with this matter would be
greatly appreciated.
Thanks!
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Aug 25, 2006
Hi,I'm using SQL Server 2005. My Connection String looks like that at the moment: <add name="LocalSqlServer" connectionString="Data Source=xx;Initial Catalog=xx;Persist Security Info=True;User ID=xx;Password=xx" providerName="System.Data.SqlClient"/> Now I'd like to change this kind of authentication to Integrated Windows AuthenticationI added the WorkerProcess IIS_WPG to the permitted Users but it didn't help.Changed the Connection String to this:connectionString="Server=xx;Database=xx;Trusted_Connection=True;"All I'm getting is that my NetworkService is not permitted to access DB when I try to connect to the DB in ASP.NET.How can I properly configure that? Thanks!
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May 8, 2003
Hello
Can anyone tell me what is the difference between sql authentication and windows authentication.
Examples of each would be very useful
Many thanks in advance
Steve
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Oct 16, 2006
Would anyone please help me out here. which of the 2 modes of authentication is better and why??
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Dec 18, 2006
Hi,
Say, I have configured my SQL to use Mixed Authentication. Now, I have a applicaiton which uses my SQL Server. The application just creates a database in SQL Server and uses the database to store its information.
This application also has a SYSTEM DSN under ODBC through which it accesses the database. For the application to access this database, should I only use SA (as my SQL instance is configured to use Mixed Authentication) or can I use Windows Authentcation too...
If I should only use SA, do we have a documentation which talks about this.
Thanks
Santhosh
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Mar 12, 2008
For using different services of SQL SERVER 2005 which is better...
Windows Authentication or SQL Server Authentication?
what are the advantages and disadvantages of both?
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Feb 1, 2008
Hi.
I wonder if it is possible to set forms authentication for report manager but leave report server "as it is". I need to authenticate users from external LDAP and can't use windows authentication for report manager, but I would also like to leave report server open for anonymous users. In that way authenticated administrators could create reports which anonymous users could read.
I tested the Security Extension Sample and got it working when I rewrote the authentication part with my own LDAP authentication.
If I have understood correctly, the report manager is just application inside report server so is it possible to use forms authentication with one application but still leave the report server with Windows authentication?
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Aug 14, 2001
Hi,
I need to figure out what kind of Authentication , I need to use for following applicaiton
Product : -
1 ) It resides on a its Domain and has access to Database on that Domain.
2 ) We have a application level login , n based on application login id
display specific pages.
The question that bother me is this
Q ) If i use NT authentication , then a user will be required to
a ) Login to domain (with userid and password) first and then
b ) Then i would require to again login to applicaiton with application
level login and password.(different levels of login as there)
Based on the application level login i will display only specific
asp pages. They have different access rights..and roles.
Requirment is to login only once..and it should authenticate to application display specific pages and authenticate to SQl server database also..
Is there any way thru which i can map my application level login to SQl server.. and what authentication should i use..
Thanks,
Teny
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May 31, 2007
I am in the process of rolling out a sql server 2005 enterprise install and had a question regarding authentication. We will be providing sql hosting for a number of groups on our campus, many who are not using our campus-wide active directory, though they all have an AD account.
Windows authentication via the management studio appears to use your AD authentication tokens and will not allow them to enter a username/password combo. Is there any way to configure this?
I would like to use our campus AD for obvious reasons but if there is a requirement for passing tokens this isn't going to work right? It's also going to make database mirroring more of a challenge.
Thanks
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Jun 8, 2001
Hi all,
My SQL Server 7.0 is now running in a mixed mode authentication. I understand
that this method of authentication is not safe. So, Ive planned to change my
server's method of authentication from mixed to NT-only mode.
Kindly tell me what are the points I should consider for doing this, so that,
the existing data and the users are not affected.
Cheers and thanx in advance
Parasuraman
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Oct 10, 2001
We recently moved our SQL Server services to a dedicated machine, and things have gone relatively smoothly.
My boss's major concern is that now when he runs some scripts in another application that updates sales data with the newest info from the database, it pops up a login box with the correct information in it already, but they have to hit OK to finish running the script. This was not happening on the old server. I've double-checked the ODBC data sources are correct, and have compared the security for the 2 servers and they appear to be identical still. Has anyone seen this before or knows what I'm doing wrong?
Thanks in advance,
Jeff
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Feb 28, 2000
My sql server is configured for W NT security.Whenever I am running from program from VB6, & the user name is prompted for, even if I enter a user that is not defined as an NT user, SQL lets it connect to the database. WHY?
Thanks n advance!
Adie
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Sep 17, 1999
Hello !
I am having a problem with NT trusted connections. I am running a front-end from Access 97 with linked tables to an SQL Server. Whenever I open a form, I will be prompted for login. Since I am already on an NT domain, I make use of 'trusted connection'. However, whenever the form is refreshed or a requery is sent, I am always prompted for login again. Using an SQL user login does not give me the problem and it's a one time login.
Q : How do I configure SQL such that it doesn't prompt me for login everytime whenever I choose 'trusted connection' ?
Thanks.
Rgds,
Alvyn
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Apr 9, 1999
I am reviewing the requirements for NT Authentication for SQL Server 7.0. I want to take advantage of window NT user security. I also want just a single security point.
My question is that I can make several NT groups for various users (DBA, development, accounting, finance, sales, etc.) but how are SQL Server roles, permissions, and passwords applied to these NT groups? There are no groups in 7.0, right?
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Oct 10, 2002
Hi there,
Is there any sp or xp which can help me out to change the sql server authentication mode to
'SQL Server and Windows' . I need to do this from only through a sql script.
Thanks
Paul
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Jan 15, 2002
Hi,
How is it possible to use NT authentication in 'WORKGROUP' environment.
I have my SQL server in one workgroup. And I want to access this server from a workstation which is in another workgroup. I am able to do this by using SQL authentication and passing the username and password. How can I do the same, with NT authentication?
Regards
Chakri
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Sep 30, 2004
I have 2 instance on SQL Server, One remote the other local. Both authenticate via window NT.
How can I change one or both?
To connect to a application do I setup a usergroup? Grranted this is still in the testing stages.
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Jun 18, 2008
hi,
What is the sql syntax to get the sql server authentication level please?
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May 28, 2006
Dear everyone,
Me agains,
i have a problems in my sql server 2005 Authentication
cant anyone tell me how to set the SQL authentication for server 2005?
i use the following coding for connection but it cant log to my sql server...
Conn.Open "Provider=SQLOLEDB;Data Source=WIN-40508040D1FSQLEXPRESS;UID=sa;PWD=693087;DATABASE=Hotel"
the error said
Login failed for user 'sa'. The user is not associated with a trusted SQL Server connection.
how 2 set the proper UID and PWD?
thanks in advance..
steven
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Feb 26, 2007
Hello everyone. I made a reports in SQL authentication. Is it possible to hide the credentials(asking for username and password) when i generate a report? Pls help.
Thanks.
-Ron-
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Mar 2, 2007
Hi everyone. Whay is the difference of Windows, SQL, and Form authentication to each other? Correct me if Im wrong, Windows Authentication is running through your local machine. SQL authentication is for the server. I don't know what is meant by Form Authentication. Am I right?
Thanks
-Ron-
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Mar 22, 2007
I was asked in an interview which is better among windows authentication and sql server authentication?
I said windows authentication because,
1. pwd need not be stored in the DB
2. windows authentication can have pwd policies.
Subsequently I was asked where does O/S stores passwords?
Does anyone knows the answer?
------------------------
I think, therefore I am - Rene Descartes
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Jun 14, 2006
Hello All,i was wondering what is the main difference between the windowsauthentication and mixed mode authentication??according to security recommendations, we should enable windowsauthentication, rather than mixed one, i don get the point why do werefuse the mixed mode authentication, although it includes windowsauthentication together with an extra layer of defense by the aid of anextra authentication mechanism, sql authentication.i hope i can find out why??if anyone can recommend me some papers or books, i'll be thankfull buti hope it explains from the security point of view.Thanx for time and sorry for interruption
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Oct 23, 2007
Cany anyone help me.
I have deployed a range of reports over a network with Reporting Services 2000 and i am having some issues with users being asked for a Network Login when they go to run the report. The reports are available to users on various Networks, not just the one i am on. Basically, the users on my network breeze through to the report but the users on other Networks get prompted for a username and password. We set up a dummy Network account on my Network and got them to type that username and password in when they were prompted for it and it worked ok.
The only issue is i want them to access the reports without using the username and password
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Apr 17, 2008
When users access the SRS, the site is asking for login information. In IIS, I have the reports page set to run on integrated windows authentication.
How can we make it run without entering their domain login and password?
Thanks in advance!
Ryan
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Oct 24, 2006
My SQLExpress seems to be set for windows authentication and not sql server authentication ... I am not quite sure why it is set to windows authentication - I installed this with Visual Studio 2005 and it just seemed to be set that way.Am I able to change this - if I choose sql authentication when connecting I get an errorIf someone could answer this point I would be most grateful !!Patrick
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Apr 29, 2007
Hey there,
I have a table [user] in a SQLExpress database [Database.mdf] in the App_Data folder. There are two columns. [userId] and [password]. I want to authenticate the user who wants to log in through a Login control. the user should have his userId and password in the [user] table. I digged and made my code. but it doesn't work it keeps giving me that the user is not authenticated. i guess it has no errors. please tell me if you find the error. here is the code: 1 protected void Login1_Authenticate(object sender, AuthenticateEventArgs e)
2 {
3 SqlConnection conExpress = new SqlConnection("Data Source=.\SQLEXPRESS;Initial Catalog=Database;Integrated Security=True;User Instance=False"); //Create the server connection
4
5 try
6 {
7 string id_user = Login1.UserName.Trim(); //Get the username from the control
8 string pass_user = Login1.Password; //get the Password from the control
9
10 //These are a sql and connection Examples
11 string sql = "SELECT userId, password FROM user WHERE userId = @param_Id AND password = @param_Password";
12 SqlCommand comSQL = new SqlCommand(sql, conExpress); //Create the sql command using sql string and sql connection
13
14 //Add the sql parameters
15 comSQL.Parameters.AddWithValue("@param_Id", id_user); //New on VS 2.0
16 comSQL.Parameters.AddWithValue("@param_Password", pass_user);
17
18 string cod_user = "";
19 string name_user = "";
20
21 //Open database connection
22 conExpress.Open();
23 SqlDataReader dr = comSQL.ExecuteReader();
24 while (dr.Read())
25 {
26 cod_user = dr.GetValue(0).ToString(); //The coduser is unique onto database table
27 name_user = dr.GetValue(1).ToString();
28 }
29 conExpress.Close();//Close Database Connection
30 if (cod_user != "") //The user exist onto database
31 {
32 //Create the session vars
33 Session["coduser"] = cod_user;
34 Session["nameuser"] = name_user;
35 e.Authenticated = true; //Grant the access, Goes to DestinationPageUrl
36 }
37 }
38 catch(Exception)//On Login Error
39 {
40 e.Authenticated = false;//Confirm that you are out
41 conExpress.Close();//On any error case, close the database connection
42 }
43 }
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