Windows authentication (or Integrated Windows Authentication) is a process where connections to applications or external systems are automatically authenticated with the currently logged on Windows user. This functionality was first made available in Windows 2000.

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Windows Authentication credential prompt

I have a ASP.NET application (Framework 4 Classic Mode) running with Windows Authentication - it is an Intranet. Impersonation is on. Anonymous is off. Authentication works perfectly on every user's ...
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937 views

IIS7 - Restrict access to an intranet site to a specific group of users

I have an ASP.NET site running in IIS7 on a local intranet. I want to restrict access to this site to a specific group of users. I think I should be able to do this by using Windows Authentication ...
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Can I detect authenticated domain users in IIS / ASP.NET without prompting everyone else for credentials?

I am updating an old ASP .NET 3.5 webforms application which uses forms authentication. The requirement is that it needs to automatically log in authenticated domain users whilst still allowing ...
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Authentication via RADIUS : MSCHAPv2 Error 691

I am working on setting up authentication into an Acme Packet Net-Net 3820 (SBC) via RADIUS. The accounting side of things is working just fine with no issues. The authentication side of things is ...
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Users Experience Windows Authentication Prompt for Single ASPX Page Server 2012 IIS 8.5

I have an application published via IIS 8.5 on Windows Server 2012 that can leverage Windows-integrated credentials for SSO. Users can successfully sign in to the application and navigate to the vast ...
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1answer
39 views

IIS 7.5 web application failing with NT Authority\Anonymous Logon

I am finding various google results, but none seem to fix my problem. I am setting up a new WINDOWS 2008 R2 box at work that is to communicate with an existing SQL 2012 box via web tools running in ...
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BYOD - AD Authentication Issues [closed]

I am a guy who brings his "own rig" to work. In this new gig I have to run some apps as a domain user provided. I shift + "right click" -> run as a different user and insert the domain credentials, ...
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Connect to remote SQL Server instance using Windows Authentication

How can I connect to a remote instance of SQL Server (on my VPS) from my local machine using Windows Authentication? By default, if I try to connect using this method, the username is my computer ...
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942 views

Restricting access to a website on IIS with groups

I'm trying to set up our websites to only allow access from users in certain AD groups using windows authentication but i can't seem to make it work. I've tried using IIS's authorization and ...
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How to send mails using a custom .NET application and Windows authentication to a distribution list that only allows authenticated senders?

This is basically a cross post from my StackOverflow question to see if I can get a server side perspective. I'm trying to send automated emails from a C# console application from machines to clients ...
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Minimum Number of Port need to Open between Windows Client & Domain Controller Only

I just want to know, which port need to be open if i place firewall between Windows Client ( XP or 7 ) and Domain Controller ( Window Server 2008 R2 ) Please note it is between Client and DC and not ...
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IIS 7.5: How to configure custom Authentication Error page with Windows Authentication. 401 header problems

I have a php website running under IIS 7.5. The site is secured by Windows authentication and that works fine: When users go to the site, they are asked for username/password and get through if ...
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71 views

Linux Authentication by Active Directory without joining to domain

I have a Win 2008 AD based network. I want to setup a few boxes with dual boot Win/Linux. How can I achieve to authenticate the users with existing AD in Linux? All solutions - I have found yet - ...
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Exchange 2013 pop3 authentication issue

We have two 2013 sp1 CAS servers which accept 995 and 993 connections through a hardware load balancer. When testing the POP3 connection in Outlook it will log in and send and receive but on a regular ...
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2answers
3k views

“Unknown user name or bad password” when I launch ADUC

When I open up Active Directory Users and Computers from my workstation, I receive an error: Naming information cannot be located because: Logon failure: unknown user name or bad password. ...
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285 views

Force IIS to prompt for credentials

We have a website that should only be accessed by authenticated active directory users. The first thing that should happen when entering the site is a prompt to enter windows credentials. To ...
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227 views

Samba authenticates users, but does not reply

Sometimes the samba 4.1.11 stops serving the clients. Every day, I have to restart the smbd just to get this fixed. The windows clients say, that the shared device is unreachable or the authentication ...
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26 views

How can disable Integrated Windows Authentication for a special path

I enabled Integrated Windows Authentication for a PHP web application running on Apache2,There is a Windows Domain Controller in the network which should be used for authentication. But I have a ...
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31 views

Browser Authentication Prompt After Server Restart

Details We have an internal website. The authentication mode is windows hence it takes windows logins. It is served from two windows servers running Windows Server 2008 R2. And are connected with ...
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2answers
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Authentication Prompt is Looping Forever on Website Hosted on Internal Server in IIS

I've created a plain HTML file in a newly created web site in IIS. Also, I've disabled anonymous authentication and I've enabled windows authentication. I'm trying to authenticate using a domain user ...
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214 views

Cross-server NTLM authentication failing

I think this issue has less to do with software development and more to do with general network configuration, so I'm posting the question here initially. I have an MVC4 application hosted in IIS 7.5 ...
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1answer
75 views

Auto-authenticate to a domain network share

Hoping one of you can help me out with a network share issue I'm having. I have a domain and three servers and NAS on it. The NAS has a network share that is password protected and uses Active ...
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74 views

Postgres SSPI authentication on Windows

I'm trying to enable windows authentication for Postgresql 9.3 (Windows x64 not in domain, UAC is disabled, my account is local admin). The one click installer set the server running under ...
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Triple hop authentication

Trying to setup impersonation for web application running in IIS that connects to a web service that connects to SQL server, where all the layers are on different machines. Here is the setup Web ...
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1answer
705 views

How to configure CruiseControl.Net for Windows Authentication?

I am using CruiseControl.Net for continuous integration which is now accessing the dashboard through login plugin, which in turn is authenticating and authorizing after verifying it with a set of ...
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Is it possible to store a credential for Windows Authentication to an Analysis Services server?

SQL Server Analysis Services uses Windows authentication for server connections. Typically, you assign your domain account to a role (or the server administrator list), and then connect to the server ...
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290 views

Can I give an application pool access to a remote share without an active directory domain?

I have an IIS application running on Server A. It needs the ability to write to a folder on a UNC share, currently on Server B. I would like to keep the share on Server B, but this environment does ...
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46 views

IIS virtual location path

Sorry in advance, for this seems to be a very noobish question and should be easily fixable, yet I can't work it out: I am setting up windows authentication for a website running on IIS 8.5: The Yii ...
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178 views

Windows 7 802.1x Wired Authentication failed, wireless 802.1x still works

I have a rather odd issue that I would like to get resolved ASAP. On our network, I have 802.1x Wired and Wireless security. All client devices are authenticated through the same Windows Server 2008 ...
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1answer
72 views

Users on company domain accessing a SharePoint site or SharePoint drive mapping results in prompt for credentials

Overnight, seemingly, SharePoint on a server in our domain has stopped automatically logging in users via Windows Authentication, in two instances: a local intranet site that is SharePoint ...
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975 views

“Anonymous Logon” vs “NTLM V1” What to disable?

Working on getting rid of NTLM V1 logins all together in the AD environment; found lot of events, almost all of them from the user "Anonymous Logon"(4624 events) other 1(4624 events) percent coming ...
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26 views

IIS Logs even unauthenticated users

I'm planning to get some information by processing IIS Log files (after I imported them into SQL Server database). Now, even if user gives wrong username/password, but request to a file that exists ...
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601 views

ADFS 2.0 SAML login works…but not for Domain Admins

We use a proxy service by zScaler. This has been setup so that there is an ADFS server between us and zScaler that authenticates the users and allows them access to the internet. This has been ...
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Windows authentication failure between multiple domains (sites)

I have just rolled out a new Intranet company wide - the company has 6 UK sites, each has a local domain called (for example) london.local, derby.local, thatlotupnorth.local etc etc, and each has its ...
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ISA Server 2006 SP1 :: Allow unauthenticated users (non domain users) access to external (internet)

Now that we have applied an internal to external rule blocking all users access to the internet, other than those users in a whitelist, we have the obvious issue of non authenticated users, not on our ...
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Windows Authentication behaves oddly when VPN'd

We've got a few apps that rely on windows authentication - a couple of web apps with AD auth turned on and we usually connect to our SQL servers with windows auth. This normally runs without a hitch. ...
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1answer
803 views

Authenticate user in WinForms (Nothing to do with ASP.Net)

Originally-posted on StackOverflow, cross-posted here as suggested in SO comments. Intro I need to password protect some actions in my application, such as loading/saving files, clicking ...
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200 views

Unable to login with Windows Auth on server but can externally IIS 7

I'm running Windows Server 2008 Standard Edition with IIS 7.5. I have TFS 2013 Update 2 installed and for whatever reason I cannot connect to my web site which requires Windows Auth while remote ...
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1answer
63 views

local authentication error, remote authentication success

The server is Windows Server 2012 R2 on a VM instance on Azure. There is no DC in the environment and the account in question is Local Administrator. When I remote onto the box I use the local admin ...
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148 views

Mirrored local accounts to connect to database on different server and domain

My database client and database server are on different machines and are not connected to the same domain (this is not supported with my web host). I'm not keen to send username/password details via a ...
2
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1answer
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ARR 3 IIS 7.5 Windows Authentication not working

We have been spinning our wheels trying to get windows authentication working through ARR. We've created a new domain account (appservices) ARR Server (srvarr) using default app pool with user set ...
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1answer
612 views

Troubleshooting access problems with IIS7.5 and Windows Authentication

I'm installing a web application on an IIS 7.5 server (Win Server 2008 R2) and having problems with windows authentication. I've done this install dozens of times but this one has me stuck, so any ...
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1answer
349 views

IIS, SQLServer, Google Chrome and Windows Authentication

I'm searching the internet for almost 4 days now and I'm stuck. I've created a simple ASP MVC4 Intranet website and I have deployed it to server called: iis. That computer is inside the same domain ...
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2answers
194 views

identity impersonation in IIS 7

I'm a bit consused by Identity Impersonation in IIS7.5 In the good old days you could just put in the web.config and call it good. Directories could then be locked down to a specific user, and then ...
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1answer
2k views

User authentication — username mismatch in IIS in ASP.NET application

Last week, an employee's Active Directory username was changed (or a new one was created for them). For the purposes of this example, let's assume these usernames: Old: Domain\11111 New: Domain\22222 ...
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1answer
196 views

Invoke Windows password dialog when using NET USE

I'll try to get to the point. Using Run from the start menu to an un-authenticated machine: \\hostname\share gives me the Windows prompt for password, good. Running %systemroot%\explorer.exe ...
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1answer
142 views

IIS(6) Access denied (401.3) when accessing a remote share

I am having trouble in getting IIS to access a share on a NAS not in domain. I have tried all the usual IIS workarounds I know with no luck, I'm hoping someone here will point me in the right ...
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1answer
163 views

Only one user unable to authenticate against AD using Windows Authentication on a .NET 4.0 web application on iis7

We are having a problem where one user is unable to authenticate using Windows Authentication. The site is configured to allow "All Users" to access the website and I have confirmed that this user is ...
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64 views

Proxy hosted in IIS with NTLM, how can I enable single sign on?

I have a forward proxy hosted in IIS with windows authentication enabled. Firefox is set up to use the proxy. Problem is, I don't know what to do with network.automatic-ntlm-auth.trusted-uris. ...
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2answers
236 views

Login to disconnected domain controller

I cannot login to a long-time disconnected domain controller running Server 2008 R2. I have tried resetting the "local" Administrator password using the following method, but still cannot login. ...