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Questions tagged [windows-authentication]

Integrated Windows Authentication is a term associated with Microsoft products that refers to the SPNEGO, Kerberos, and NTLM authentication protocols. Use tag with Windows authentication generally; though it might be best to use one of the more protocol-specific tags (such as Kerberos or NTLM) if the protocol being used is known.

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254 votes
10 answers
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IIS Express Windows Authentication

I'm trying to use IIS Express with VS2010 to host a silverlight application. I modified my applicationhost.config file to allow for modification of the proper configuration settings. I have the ...
Mark's user avatar
  • 2,987
212 votes
5 answers
687k views

Connection string using Windows Authentication

I am creating a website, but in the database I use windows authentication. I know that you use this for SQL authentication <connectionStrings> <add name="NorthwindContex" ...
MDC's user avatar
  • 2,121
130 votes
23 answers
372k views

Receiving login prompt using integrated windows authentication

I have a .NET 3.5 application running under IIS 7 on Windows 2003 server and cannot get integrated windows authentication working properly as I continue to get prompted for a login. I have set Windows ...
Casey's user avatar
  • 1,475
106 votes
9 answers
103k views

Authentication issue when debugging in VS2013 - iis express

I'm trying to pick up the windows username when debugging in Visual Studio 2013. I am simply using: httpcontext.current.user.identity.name If I run this on my Dev Server it works fine, if I run it ...
Neil Watson's user avatar
  • 2,832
103 votes
7 answers
321k views

IIS7 folder permissions for web application

I am using windows authentication without impersonation on my company's intranet website with IIS7. Under IIS7, what account is used to access the folder which contains my web app using these ...
Andrew's user avatar
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94 votes
10 answers
119k views

Pass NTLM with Postman

Is there a way to pass Windows Authentication with postman? I have added this in header but still 401 Unauthorized. Authorization: NTLM TkFcYWRtaW46dGVzdA== As suggested by this link. I've ...
user avatar
75 votes
10 answers
49k views

No OWIN authentication manager is associated with the request

After trying to enable owin & AspNet Identity to my Web Api project (in VS 2013 + .Net 4.5.1) I get the following error in each valid or unvalid(request to none exist controller) requests : <...
Mahmoud Moravej's user avatar
75 votes
9 answers
117k views

Unable to get windows authentication to work through local IIS

So I've created a new ASP.NET MVC project using the intranet template. web.config contains the appropriate values (e.g. <authentication mode="windows"/>). If I fire up the web app using the VS ...
David's user avatar
  • 16k
73 votes
3 answers
173k views

Connecting to MS SQL Server with Windows Authentication using Python?

How do I connect MS SQL Server using Windows Authentication, with the pyodbc library? I can connect via MS Access and SQL Server Management Studio, but cannot get a working connection ODBC string for ...
stackoverflowuser95's user avatar
68 votes
7 answers
73k views

In IIS, why doesn't Window Authentication show up as one of the options for my web application?

I'm reading about how to set up windows authentication for my web application on IIS 7. In the description they have Window Authentication as an option in IIS. I have Windows authentication turned on ...
dev.e.loper's user avatar
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60 votes
13 answers
36k views

ASP.NET MVC3 and Windows Auth on IIS keeps redirecting to /Account/Login

I'm running MVC3 and a windows auth web application. When I deploy to IIS6 it runs great until I hit a page that requires authentication. It then is auto-redirecting to /Account/Login when I have no ...
Kevin Jensen's user avatar
  • 1,418
59 votes
3 answers
104k views

Authentication failed because the remote party has closed the transport stream exception when getting a response from webservice

I am calling a third party service and when I ask for a response it throws out an exception that says "Authentication failed because the remote party has closed the transport stream exception". I ...
Chirag K's user avatar
  • 2,434
57 votes
9 answers
98k views

ASP.NET Windows Authentication logout

How do you logout when using Windows authentication in ASP.NET like this web.config? <authentication mode="Windows" /> I've already tried the following unsuccessfully. It redirects, but does ...
Robert's user avatar
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52 votes
4 answers
151k views

IIS7: Setup Integrated Windows Authentication like in IIS6

This is for IIS 7 on a Windows Server 2008 that is not part of an AD domain. I would like to password protect a website, where people have to enter a username/password (a windows account for example) ...
Jim Geurts's user avatar
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51 votes
14 answers
58k views

401 response for CORS request in IIS with Windows Auth enabled

I'm trying to enable CORS support in my WebAPI project, and if I enable Anonymous Authentication then everything works fine, but with Windows Auth + disabled anonymous authentication, the OPTIONS ...
dariusriggins's user avatar
51 votes
4 answers
40k views

Windows Authentication not working on local IIS 7.5. Error 401.1

I recently had a nasty issue getting Windows Authentication to work on a local instance of IIS 7.5 (Windows 7 Pro) to an ASP.net 4.0 site. I followed the basic steps. IIS Authentication Disable ...
PeteWiFi's user avatar
  • 2,235
50 votes
7 answers
72k views

Mixing Forms authentication with Windows authentication

I have an (ASP.NET 3.5) intranet application which has been designed to use forms authentication (along with the default aspnet membership system). I also store additional information about users in ...
dr_draik's user avatar
  • 688
49 votes
4 answers
84k views

Making a web request to a web page which requires windows authentication

I am trying to make a request to a web page using WebRequest class in .net. The url that I am trying to read requires Windows Authentication due to which I get an unauthorised exception. How can I ...
Hemanshu Bhojak's user avatar
46 votes
6 answers
20k views

ASP.NET Identity + Windows Authentication (Mix mode - Forms + Windows)

I have tried my best to search the web before asking this question. I've seen similar questions on stackoverflow, however, none has been answered satisfactorily for a long time now. This is one more ...
Ravi M Patel's user avatar
  • 2,965
44 votes
2 answers
37k views

ASP.NET MVC - Authenticate users against Active Directory, but require username and password to be inputted

I'm developing a MVC3 application that will require a user to be authenticated against an AD. I know that there is the option in MVC3 to create an Intranet Application that automatically authenticates ...
munchrall's user avatar
  • 623
42 votes
4 answers
47k views

Unable to authenticate to ASP.NET Web Api service with HttpClient

I have an ASP.NET Web API service that runs on a web server with Windows Authentication enabled. I have a client site built on MVC4 that runs in a different site on the same web server that uses the ...
Craig Anderson's user avatar
40 votes
3 answers
105k views

Run Code as a different user

Is there a way to tell my code to run as a different user? I am calling NetUserSetInfo via a PInvoke and I need to call it as a different user. Is there a way to do that?
Vaccano's user avatar
  • 81k
38 votes
4 answers
142k views

How to get the current user's Active Directory details in C#

I am working on an C# and ASP.Net application, that uses Windows Authentication. i.e. in Web.config: <system.web> <authentication mode="Windows" /> </system.web> I want to ...
Sophia's user avatar
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38 votes
2 answers
80k views

How can I pass windows authentication to webservice using jQuery?

I'm using jQuery to call a .Net web service like this: var service_url = "https://example.com/myservice.asmx" $.ajax({ type: "GET", url: service_url, dataType: "xml", data: "ParamId=" ...
brendan's user avatar
  • 29.8k
37 votes
1 answer
39k views

using windows authentication with active directory groups as roles

I've read several questions on this topic, such as here, here, here and here; but none have provided a working solution in my case. What I want to do: Implement Windows authentication for a web app ...
Forty-Two's user avatar
  • 7,585
36 votes
8 answers
154k views

How to get user name using Windows authentication in asp.net?

I want to get user name using Windows authentication Actually, I implemented "Sign in as different user", when click this button Windows security will appear there we can give credentials. ...
user2148679's user avatar
34 votes
4 answers
30k views

Why doesn't cURL work with Windows Authentication on IIS7?

I am trying to access a service that is behind Windows Authentication. I thought I could pass the credentials the way HTTP Basic Authentication credentials are passed, but it's not working. When I do ...
woz's user avatar
  • 11k
34 votes
3 answers
48k views

Get the username in Forms authentication

I'm using Forms authentication. In Windows Authentication for get the user name of the PC i use: User.Identity.Name I need this information also in Forms authentication but User.Identity.Name doesn'...
Luca Romagnoli's user avatar
32 votes
7 answers
100k views

Database + Windows Authentication + Username/Password?

I have always thought that in order to connect to SQL server using windows authentication with explicitly specified credentials, you must LogonUser, Impersonate, then connect. It seems to me that ...
galets's user avatar
  • 18.3k
31 votes
3 answers
39k views

Windows Integrated Authentication in node.js Client

When using node.js as a client, is it possible to connect to a server using Windows integrated authentication (e.g. when connecting to IIS)? My searches for this only turn up results where node.js is ...
laktak's user avatar
  • 59k
30 votes
5 answers
26k views

Client-server authentication - using SSPI?

I'm working on a client-server application and I want the client to authenticate itself to the server using the user's logon credentials, but I don't want the user to have to type in their user name ...
antiduh's user avatar
  • 12.3k
30 votes
6 answers
44k views

How to use Windows login for single-sign-on and for Active Directory entries for Desktop Java application?

I'd like to have my desktop Java application to have single sign on related to Active Directory users. In two steps, I'd like to: Be sure that the particular user has logged in to Windows with some ...
Touko's user avatar
  • 11.6k
29 votes
3 answers
48k views

IIS Express HTTP Error 401.2 - Unauthorized

I have tried the suggestions in this post but I can not get Windows Authentication working with IIS Express in Vision Studio 2010. Now I get following error: Here are my applicationhost.config file ...
Andy May's user avatar
  • 4,030
29 votes
2 answers
6k views

Getting an NTLM Challenge from an AJAX POST on just one page

Quite the mystery here. I have an ASP.NET MVC 4 web application using Windows Authentication that has been maintained for over 18 months without issue. Recently, it was deployed to a fresh site and I'...
Lucas's user avatar
  • 8,053
28 votes
6 answers
70k views

Connect To SQL Server With Windows Authentication From A Linux Machine Through JDBC

I want to be able to connect to a SQL Server using jdbc and windows authentication. I saw some answers on the internet saying i should add the following property to the connection string: ...
zuckermanori's user avatar
  • 1,695
28 votes
2 answers
61k views

Cross Domain SQL Server Logins Using Windows Authentication

I have a SQL Server 2005 named instance using Windows Authentication with domain groups serving as logins. The domain structures are as follows: Forest1 Forest2 / \ ...
bitxwise's user avatar
  • 3,564
28 votes
3 answers
6k views

Excel 2007 Pass-Through Windows Authentication

I've created a simple (asmx) web service which returns a DataSet. I've added the webservice to my Excel 2007 workbook using the Data -> From Web button and I'm able to view / refresh the data. The ...
Nathan's user avatar
  • 6,184
27 votes
2 answers
37k views

Windows authentication in linux docker container

i am trying to use windows authentication in linux docker container under kubernetes. I am following this settings: https://learn.microsoft.com/en-us/aspnet/core/security/authentication/windowsauth?...
Scholtz's user avatar
  • 3,498
27 votes
3 answers
34k views

Does an IIS 7.5 web app with windows authentication require end users to have file permissions?

Short version: For IIS 7.5 web applications with Windows Authentication does the end user need to have Read file access? Long version: I have an intranet ASP.NET web app that uses windows ...
Rory's user avatar
  • 41.4k
26 votes
5 answers
51k views

Windows authentication failing in IIS 7.5

I'm building a simple internal application for my company, and it requires Windows Authentication for security. All other authentication modes are disabled. I'm stuck in a situation where internet ...
Ben Brandt's user avatar
  • 2,911
26 votes
2 answers
24k views

SQL Server Management Studio 2008 Runas user on different domain over VPN

I am currently trying to run SQL Server Management Studio 2008 as a user who is on a different domain. I noticed in other threads that running the following command from a batch script will do this ...
maple_shaft's user avatar
  • 10.5k
24 votes
9 answers
26k views

WebAPI CORS with Windows Authentication - allow Anonymous OPTIONS request

I have a WebAPI 2 REST service running with Windows Authentication. It is hosted separately from the website, so I've enabled CORS using the ASP.NET CORS NuGet package. My client site is using ...
Dave Simione's user avatar
  • 1,441
24 votes
9 answers
22k views

ASP.NET Web API Self-Host with Windows Authentication

I am trying to use the ASP.NET Web API Self-Host option with Windows authentication so I can determine the logged on user and ultimately accept or reject the user based on their identity. Here is my ...
Dave Johnson's user avatar
24 votes
3 answers
34k views

Native Library sqljdbc_auth.dll already loaded in another classloader

I have 2 java web apps that need to connect to SQL Server Database using Windows Integrated Authentication. The first one that is loaded works fine but the second one throws the exception: Native ...
Gustavo Pagani's user avatar
24 votes
5 answers
25k views

Impersonate using Forms Authentication

I have an ASP.NET site that must use Forms Authentication and not Windows Authentication to access a ActiveDirectoryMembershipProvider. The site must use forms because they need a designed input form ...
Robert's user avatar
  • 15.5k
23 votes
3 answers
42k views

Windows authentication doesn't work when I run project from Visual Studio

Windows authentication works good when I host my ASP.NET MVC project on IIS. But if I run it from Visual Studio - it doesn't. Here is my Web.config: <authentication mode="Windows" /> <...
Andrei's user avatar
  • 43.9k
23 votes
3 answers
29k views

Using fiddler with Windows Authentication

I am testing some proxy settings for our application but I need to test a proxy that requires Windows Authentication (or network credentials). For testing, I assigned the credential of the proxy to ...
Pierre-Alain Vigeant's user avatar
23 votes
2 answers
25k views

Impersonate Domain User with Integrated Pipeline

In an local Intranet environment, are we doomed to use "Classic" pipeline mode in our App Pool if we want to use Impersonate our Windows domain users, or is there a new way to declaratively "run as" ...
Chiramisu's user avatar
  • 4,717
22 votes
9 answers
141k views

"Cannot create an instance of OLE DB provider" error as Windows Authentication user

I am trying to run openrowset from MS SQL Server on an Oracle server. When i execute the following command: select * from OPENROWSET('OraOLEDB.Oracle','srv';'user';'pass', 'select * from table') ...
th1rdey3's user avatar
  • 4,308
22 votes
4 answers
53k views

windows authentication vs forms authentication

I am trying to understand concepts of windows authentication, forms authentication and their differences. I am confused. Can someone help me in clarifying this. Thanks.
dotnetrocks's user avatar
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