How To Create A Windows Authentication Login
Jan 16, 2007
Is it possible to create a windows authentication login for each of the computers on my network that will connect to sql server. I am developing a program that will be installed on multiple computers and we do not want to actually have to log in to sql server since we will have to log in to the server before opening the program and we dont want to have 2 logins. I would like to use windows authentication so that I do not have to program multiple connection strings in my program so that if more than 1 person accesses the database at the same time it will not cause a problem with using the same login. Is this possible and if so how would I go about setting up the logins. I am using SQL Server 2005 and XP SP2
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Feb 18, 2002
Hi,
I have created a Windows user login and have granted it the appropriate roles (including a revoke).
As a test I also created a standard user and gave it the same roles as above.
When I run a query against the revoked table, the results are unexpected.
The Windows user can run the query, and the standard user gets a permissions error (which is what i expect).
Does anyone have any ideas as to what is happening here? I am still confused.... Does it have anything to do with the public permission that much be granted?
Thanks
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Mar 17, 2006
Hi,
I have a problem with sql server 2005 express, when i try to connect to an sql database it says login: is not a trusted connection to an sql database. I have gone into reg edit and changed the authentication setting from windows oly mode 1 to mixed mode 2. It still has the same problem, does anyone have any idea what the problem may be?
kind regards
Chris J
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Jul 7, 2007
Hello All,
I'm hoping someone can help me with this puzzle.
Most logins I've created have been SQL Server authenticated. I assign the login newEmployee to a role existingRole, and ensure the role has the required permissions. This didn't seem to be rocket science....
My company has been provided with an application with a SQL Server back-end. My instructions were to create a Windows authenticated login and give it full access to the database. I followed the above principles, but running the application, the user got the error -
SELECT permission denied on object 'sysobjects', database 'databasename', owner 'dbo'.
So I decided to try the simplest possible scenario to make it work:
I've created a login DOMAINewEmployee with Windows authentication.
DOMAINewEmployee has been granted access to databasename.
By default, DOMAINewEmployee is a member of Public.
Public has been granted all available permissions on all objects.
ie... grant all on userTables to public
........grant all on sysobjects to public
........grant all on otherSystemTables to public
etc.
Running the application, the user still gets the above error. I'd send the problem back to the vendor, except if I've logged onto the PC as DOMAINewEmployee, querying -
select * from dbo.sysobjects
via Query Analyser produces the same error message. (An equivalent error message is produced when querying a user-created table).
To compare, I then created a login newEmployee2 with SQL Server authentication.
newEmployee2 has been granted access to databasename.
select * from dbo.sysobjects
runs successfully from Query Analyser (as to any queries on user-created tables).
What else is required to grant access to tables from a Windows authenticated login?
( What really scares me, is that the application will run if I make the Windows authenticated login a member of server roles System Administrator and Database Creators, then the application will run - but I don't want this to be the permanent solution. Even after doing this, the above query still fails in Query Analyser for that login, suggesting that there is something wrong with how I configured the permissions. )
Any help would be appreciated.
Thanks.
Kim.
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Feb 9, 2008
Hi,
I have just installed Windows Vista and SQL Server 2005. When I try to connect to my local server with Windows Authentication, I get the follwoing message:
Login failed for user <user> (Microsoft SQL Server, error: 18456)
Any help please. Thanks.
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Apr 24, 2015
In my DB (SQL 2012) one windows authentication is created automatically and a schema is created exactly automatically that this user is owner of this schema. (e.g the user is domainx and schema exactly domainx).
I created a DDL Trigger on my DB to find out who and how it is created , but I didn't get any useful information.
I change the owner of schema that I can delete the schema and after that delete the user, and sometimes because the user is owner of a service , I have to alter the owner of the service to DBO and delete the user , but again and again exactly this user and schema (e.g domaninx ) are created as soon as I delete it.
I have read these topics : [URL] .... and [URL] .... but can't solve my problem.
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Feb 6, 2006
I'm working on an ASP.NET project, and we're attempting to switch from SQL Server authentication to Windows authentication to connect to the database.
It works fine locally when I debug in Visual Studio, but when it hits the web server, I get the error: "Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection."
IIS has anonymous access disabled, and Integrated Windows Authentication is checked. The web.config file has:
<authentication mode="Windows"/><identity impersonate="true"/>
The database I'm attempting to access is on a different machine than IIS, and the connection string doesn't contain a username or password, and has "Trusted_Connection=Yes", and "Integrated Security=SSPI".
From what I've been able to find online, I'm guessing the problem is due to IIS and SQL Server residing on different machines, but I'm not sure how to fix it.
Any ideas?
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Aug 12, 2015
We have see login failures for windows accounts. Below is the error message.
Description: In our env most logins are windows accounts. Initially we thought it is an UAC issue and we tried to launch the SSMS using "Run as Administrator". However, we are seeing login failures.
Enviroment:
Microsoft SQL Server 2014 - 12.0.2402.0 (X64)
RTM Enterprise Edition (HyperVisor)
Error Message in Error Log :
2015-08-10 22:36:45.290 Logon Error: 18456, Severity: 14, State: 11.
2015-08-10 22:36:45.290 Logon Login failed for user 'domainloginname'. Reason: Token-based server access validation failed with an infrastructure error. Check for previous errors. [CLIENT: 10.xxx.xxx.xxx]
[code]....
We tried dropping this account and re-creating the windows account with same permissions but still result is same. It throws same error message. Login failure message !!!
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Aug 29, 2007
HI all,
I would like to ONLY allow using SQL Server authentication and restrict Windows Authentication. At the moment, i set the security to "SQL server and windows authentication". Now, even though i set the password for "sa", i can ignore the SQL Server authentication and just use Windows authentication to manipulate database objects???
can anybody give some suggestions to restrict windows authentication and allow sql server authentication?.
Thanks in Advance
Best Regards
Ihsan
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Apr 26, 2015
Oracle and Teradata are able to capture the windows/client login that connects to their database with a functionnal ID.I've searched around and I don't think MS SQL can do this...I administer SQL 2014 server and also SAS Enterprise guide product. I've created sql server logins for several teams so everyone shares the same sql server login which is used to bind the SAS library to my SQL server database.
However, when looking at activity monitor, I can't drill down to which user is executing a particular query. I only see the SQL login which is share amongs 200 other folks.On the other hand, when they connect from SAS to Oracle or Teradata, I can see the shared login + additionally their windows NT login used to connect to SAS which is awesome....they can't fool me by using a shared/funcionnal ID....i still see who's using that ID...
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Mar 31, 2006
Hi--
I am building an intRAnet website using windows authentication for website access and SQL Server access ( Trusted_Connection = true ).
In IIS I have these settings:
Allow Anonymous = unchecked (false)
Windows Authentication = Checked (true)
Digest windows = checked (true)
In my Web.Config file:
authentication="windows"
impersonate="true"
allowusers="*"
When I pull up the page these are my credentials:
Security.Principal.Windows: mydomainmyuserid (this is correct what it shows on my page)
Me.User.Identity: mydomainmyuserid (this is correct what it shows on my page)
Threading.currentThread.currentUser mydomainmyuserid (this is correct what it shows on my page)
So the ASP.NET page recognizes it is me and my domain. However, when i click a button to pull some data from a database I get the error message: Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection.
My data access on SQL Server works fine. The weird thing is when I debug on my machine it pulls data fine. but when I copy the files to the windows 2003 server it doesn't work.
Do i have to do something with delegation?
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Dec 30, 2007
I have a website written in asp.net and the current DATABASE logins do not use windows authenticaton. They are for online use only with a username and password. I'm trying to run my program locally on my machine and access the database locally. This is very frustrating. I'm able to connect to my database, but I can't login to it. Here's my connection string from ym webconfig file:
<add name="sqlConnectionString" providerName="System.Data.SqlClient" connectionString="Connect Timeout=8; Initial Catalog=linkexchanger; Data Source=SCOTSQLEXPRESS; "/>
I have the MSSQL engine running and I have connected with the SERVER. My database is in my directory tree of Microsoft SQL Management Studio Express. The server is SCOTSQLEXPRESSI have attempted to add a login to my sql database by right clicking on the security folder to create a new login. My understanding is that under windows, I don't need a uid and pwd in my connection string . Thus I tried removing all of this just as you see above, and I get an error message every single time I try to create a login with windows authentication.
Can someone please explain how I make this work?
Thank you.
Scot
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Sep 9, 2015
I have two SQL Server machines - RPTPROD and DATAPROD.
I wanted to create a linked server from RPTPROD pointing to DATAPROD using Windows Authentication. Â When I tried to create this linked server, I keep getting this error
"Login failed for user 'NT AUTHORITYANNOYMOUS LOGON' (Microsoft SQL Server,Error: 18456)". Â
On the "Security" page, I chose "Be made using the login's current security context". Â I'm sysadmin on both SQL Server machines. Â
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Jan 28, 2007
I have created a database fronted by an ASP.Net application. It's all nice and simple, and I only need a very simple level of security (and even that is only as a protection against accidents rather than maliciousness). My intention is that users connect using Windows impersonation (<identity="true">), with the database creator having full access and the public group (I'm talking SQL groups here) having specific premissions granted on specific tables.
If I set <identity="false"> on my XP box the application connects to the database as [MACHINEASPNET]. This is easy to set up access for - I simply do a
CREATE LOGIN [MACHINEASPNET] FROM WINDOWS
and then within the actual database do a
CREATE USER [MACHINEASPNET]
But as I said, I want to use Windows impersonation. When I set <identity="true">, the application correctly attempts to connect as the actual Windows user account (e.g. [MACHINE estuser]). If that user is the user who installed the database, then all is well and it has full access. For anything else, I get a "cannot log on" error - this much I expect.
So I want to permit logins for all other users, and I want this to work regardless of whether the machine is a standalone machine whose "domain" is simply the machine's own name, whether it is in some form of traditional peer-to-peer workgroup, or whether the machine is connected to a real domain. I also want it to work on XP and Windows Server 2003 (and ideally Vista also, but that can wait). When I try the following:
CREATE LOGIN [MACHINEUsers] FROM WINDOWS
I get this error:
Msg 15401, Level 16, State 1, Server MACHINESQLEXPRESS, Line 1
Windows NT user or group 'MACHINEUsers' not found. Check the name again.
Nor does it work with [Everyone] (that one has no domain/folder listed against it in any permissions dialogs on my domainless development PC). So I'm stuck and confused. It's taken me ages just to get this far. Any suggestions anyone?
Thanks in advance.
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May 29, 2007
We are looking at developing an SQL Server 2005 Database and I would like to use Windows Authentication rather than SQL Server Authentication to connect our client app.
In our development environment, we have two Servers, one being used as a file server and the other as an SQL Server. We have now set up a domain using the file server as the domain controller. (We had previously been set up to use a workgroup).
I have set up an active directory group called SqlDevelopers and added an active directory user called Jonathan to it.
On the SQL Sever, in management studio, I have set up a new server login which uses windows authentication called DomainSqlDevelopers. I used the GUI to verify I could see the domain and the group.
The default database is set to a test database on the server. A user in the test database is mapped to the DomainSqlDevelopers and given the Roles dbo, db_datareader, db_datawriter.
To test the log in, on the server, I logged out as administrator and in as Jonathan. I could successfully access the server through management studio using windows authentication.
However, if I log in as Jonathan on my client PC and try to access the SQL Server using management studio and windows authentication, I have problems.
The first time I try I will get a timeout error. If I try again will get either:
Login failed for user ''. The user is not associated with a trusted SQL Server connection
Or
Cannot generate SSPI context
I can€™t determine any pattern to which of the above errors I get.
However, if I log in as administrator on my client PC, I can connect to the server using management studio and windows authentication.
Sounds like Active Directory/Domain or other Network issue (Not really my area). I would be grateful for any help.
Thanks,
Jon
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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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Mar 26, 2008
Hallo there,
I just upgraded from Windows XP Pro to Windows Vista Bussiness and tried to reinstall SQL Server 2005 Developers Edition. After the installation i downloaded (using microsoft windows update) and installed all the service packs for sql and vista available.
My problem is when i open sql server management studio and try to connect to my default instance using windows authentication and database engine, an 18456 error occurs.
I enabled all the protocols and all the ports
I disabled windows firewall and antivirus (eset nod32)
I installed all service packs available
I have also installed Visual Studio 2005 without installing sqlexpress
But nothing happens!
Please i am very desperate, any information will be gratefully accepted.
This is my installation Information
Code Snippet
Microsoft SQL Server Management Studio 9.00.3042.00
Microsoft Analysis Services Client Tools 2005.090.3042.00
Microsoft Data Access Components (MDAC) 6.0.6001.18000 (longhorn_rtm.080118-1840)
Microsoft MSXML 3.0 5.0 6.0
Microsoft Internet Explorer 7.0.6001.18000
Microsoft .NET Framework 2.0.50727.1434
Operating System 6.0.6001
Thank you in advance,
Patonios
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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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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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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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Sep 30, 1999
Hello,
I'm trying to use Enterprise Manager in Windows 95, and attempting to
connect to SQL Server with Windows NT Authentication but get message:
Login failed for user '(null)'. Reason: Not associated with a trusted SQL
Server Connection.
I can connect okay using SQL Server Authentication.
How can I connect using Windows NT Authentication?
It's SQL Server 7 and protocol TCP/IP I'm using.
Any help would be appreciated.
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Nov 24, 2003
In an effort to eliminate the need to code accounts and passwords into the VB Com calling stored procedures, I would like to use Windows Authentication. I have setup the account that the com is running under to have access to the database. How does this change my connection string. Do I just drop the account and password parameters or do I need to let it know somehow that I want to use Windows Authentication?
Thanks,
Ken Nicholson
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Aug 23, 2006
I'm having problems with windows authentication. I'm new to using using Microsoft SQL Server. I just migrated from powerbuilder 8 to powerbuilder 10. I'm using OLE DB and can't get the windows authentication to work within the application. Can anyone help....
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Mar 29, 2007
Hi,
I am wondering that do we need to create the separate login at SQL SERVER (server) for all the user using the application for the windows authentication?
How do the windows authentication works? I have a apllication and SQL SERVER (SERVER) running on the same machine. Any user from the same domain can access the application. Application is interacting with the DB through Windows Authentication. Now my question is whether do we need to authenticate each user from the domain at the DB level. That is to craete the login id for all the user for windows authentication.
Thanks,
Rahul Jha
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Feb 23, 2007
Hi
How to stop user to login using Windows Authentication.
thanks
asm
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