Questions tagged [windows-authentication]

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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20 views

WCF “rejected the client credentials” just for one user account on two computers

I am getting the well known WCF service error when connecting from a client. The server has rejected the client credentials. Logon attempt failed. as described e.g. in this question. My problem is ...
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Continuous windows events 4648 and 4624 generated when ODBC driver is configured with Integrated windows authentication

We are running a C# application in my VM,which is configured to run as a windows service. The service runs as local system account and talks to a locally installed SQL database server. I have access ...
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26 views

Haproxy and IIS applications using Windows Authentication and the HTTPS protocol

I have two app servers 172.17.128.94 DP-KKM-prod.domen.com 172.17.128.101 DP-KKM-prod2.domen.com and one load balancer server 172.17.128.97 DP-KKM-balance.domen.com Both app servers are running two ...
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IIS useAppPoolCredentials vs App pool Identity

Why do we need system.webServer/security/authentication/windowsAuthentication/useAppPoolCredentials setting in IIS site configuration if App pool - Advanced Settings - Process Model - Identity is used ...
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28 views

Why would a server in an AD environment allow Remote Registry access by FQDN, but deny and lock out accounts over IP address?

We have a situation where a software application cannot be installed because the admin account used during installation gets locked out during prerequisite checks. After some investigation, we found ...
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21 views

Hyper-V Server 2012 R2 - replica VMs state “password incorrect”, but lets me log in after 7-8 minutes

so I have a replica server that backups 2 server 2012 R2 VMs. Each week, I run a test failover to make sure they boot up, and I can log into them. A curious issue I'm having is, once I get to the ...
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24 views

Windows Authentication (NTLM) on Android Browsers

I'm having a bit of a nightmare. The city hall I work for has acquired a fair amount of Android Tablets so that the Local Government Officials can access all intranet apps while at home or on the move....
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176 views

IIS SSO not working, asking for login via login-prompt every new session

We are facing an issue where we don't get SSO to work on an IIS web app. We have set Windows-Authentication as enabled and Negotiate and NTLM as providers (IIS Windows Authentication and Providers). ...
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28 views

Error 0x8007005 when attempting to execute a dtsx package from the command line

I am getting this error when attempting to execute a DTSX package from the Windows command line when logged in as a service account inside a domain. Code: 0xC0011002 Source: {6DB934F3-5312-4C7C-9E59-...
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14 views

IIS URL Rewrite to another site using a specific Windows identity

Is it possible to use IIS' URL rewrite module in the following scenario: Site A hosted on IIS with anonymous authentication and URL Rewrite module Site B hosted on IIS with Windows authentication When ...
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322 views

Logging all failed authentication attempts against Active Directory

I need to log all failed authentication attempts against my Active Directory domain. An external app binds to MS AD via LDAPS and uses AD for user authentication requests. When the wrong user or ...
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Windows authentication across multiple hostnames without multiple credential prompts - is it possible?

I have a web application that utilizes multiple hostnames (see below for an explanation of why it's set up like this - I don't want that to distract from the more general question here). Basically, ...
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583 views

Cannot reach HTTPS page with self-signed server certificate and DoD CA certificates

I'm attempting to create a local web server using Flask, a Python microframework, that uses the PKIs on a DoD CAC. I've created the self-signed root CA and server certificate and key following this ...
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174 views

IIS server having trouble allowing AD group

We have an IIS website that we are trying to permit a certain AD group to access. The web.config file looks like this: <authentication mode="Windows" /> <authorization> <...
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203 views

Authenticate with Windows Credentials from Docker Linux Container

I've got an MSSQL Server 2014 running on a Windows Host. I've to install 2 Linux container, we've developed some time ago that runs one NodeJS and the other one runs Apache as reverse proxy on Nodejs ...
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In Windows Active Driectory, what's the purpose of SIDs when the username is already unique?

A Windows ID (such as MyDomain\someuser) will have a unique SID (such as S-1-5-21-1695517229-881958489-217698969-1001) The ID is used during login, which confirms that it too is unique in nature. What'...
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35 views

Make client request using app pool identity (PHP running on IIS)

I posted this at Stack (https://stackoverflow.com/questions/61788595/authenticate-curl-request-using-application-pool-identity-php-on-iis) when I still thought I might be dealing with a software ...
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93 views

Sharing a UPN between root and child AD domains

Is it possible to share a UPN between a root and child AD domains? We're considering our options around how to structure an Active Directory domain with the option of splitting off the child domain ...
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Remote Desktop Authentication without NTLM - How to Configure from non-Windows clients?

Background This has been bugging me for quite a while (and no amount of internet searching has amounted to a decent solution), so I'm hoping someone can offer some sage advice. When I try and start a ...
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25 views

Using custom auth through hardware device on Windows network map drive possible?

I want to custom the auth method when connecting smb as a client on Windows to a linux server. I expect to it to work like this: When connecting as a network map drive, Windows auth center will read ...
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114 views

Windows Authentication not working on Windows Server 2012 R2

I've exhausted every bit of me to get Windows Authentication to work on the server and I cannot find any help on the internet. Windows authentication is working on my local PC, below is what I've done ...
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174 views

Configure an IIS 10 ASP.NET MVC app to allow only specific domain user to access “/api/” URLs

This is on Windows Server 2019, the web app is a ASP.NET MVC app (.NET FW 4.6) I'm not sure how to debug this. The AppPool runs under a Managed Service Account! (not that it helps using ...
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246 views

How to configure Windows Authentication (NTLM, Negotiate) to work when using IISARR?

As part of the upgrade from Win 2008 to Win 2016-project, we have introduced the use of DNS-aliases (way overdue) for all IIS-sites in all enviroments. We now use IIS with ARR installed as a proxy ...
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267 views

No access over firewall to shared folder on clustered fileserver, but access to shares on a node server works

Update 2019-11-21: We have new a Windows Failover Cluster installed and are running a clustered file server on it that hosts file shares. We need to access these shares through a firewall from ...
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387 views

nginx - prevent caching authorization info

I am using nginx as reverse proxy for my asp.net core web application. I am using spnego module for nginx for supporting of windows integrated authentication. It is works, but if user enters incorrect ...
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55 views

How to login to MS SQL Server using Ubuntu OS & ODBC with disabled SQL Server Authentication and only accept Windows Authentication?

It is only part of my problem but technically, I am trying to access an SQL Server with disabled SQL Server Authentication using ODBC connection string in Ubuntu OS. I already tried to connect with ...
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22 views

What sort of authentication is a windows machine local group with a domain user added to it?

I went and looked at a service that was run by a domain user. The process for the service read from a file on the machine's hard drive, and in the ACLs for that service there was an ACE for the local ...
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213 views

Is it possible to limit SSRS authentication to Kerberos only?

We have an instance of SSRS (SQL Server Reporting Services) which uses Kerberos Constrained Delegation to fetch data for its reports from SQL Server on behalf of its users. For this purpose, SSRS was ...
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1answer
129 views

W10 Client temporary authentication failure when reconnecting network drives

The customer has a W10 laptop. The laptop is member of MyDomain. The user has 20 network drives mapped onto his laptop. The server is W2016 Domain Controller. The user logs in on his laptop using his ...
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1answer
2k views

Smartcard Authentication on Windows Domain Controller using Yubikey for Windows Login

I have a Yubikey 5 NFC and I am trying to configure it on a test bench for windows login authentication. I cannot seem to get the certificate to enroll on the Yubikey. I have followed the Yubikey ...
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1answer
338 views

How DC authenticates when Client is not using any authentication?

I have a virtual environment with the following structure: DC: Windows Server 2008 Client: Windows 7 I installed Active Directory on the Windows Server 2008 and made it in domain januapp.local, then ...
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1k views

IIS and HttpListener (.NET) with windows authentication

I have a question about Windows authentication with IIS and HttpListener I have the following setup (All installed in same Windows 8.1 box. No outside communication). All requests are sent as http://...
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101 views

Users getting locked out on local Domain Controller after switching default Exchange mail address to different domain

Originally, all of our users were on a single domain (ie. domain1.com) . After merging with a 2nd company, it was decided that we would use the 2nd domain (ie. domain2.com) as the primary company ...
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53 views

What are the rules regarding casing of values for environment variable USERNAME in Windows?

One of my customers says that in his AD usernames have mixed case sometimes and besides that, that people are able to successfully login using another casing of usernames. So there might be an ...
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60 views

Cannot log into windows 10 pro with static IP address and no internet access

I recently purchased a computer for a project at work. The OS is Windows 10 Pro. The computer asked for my Microsoft account while I was setting it up for the first time. I thought this was weird but ...
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1answer
3k views

IIS: Change Default Domain Controller For Windows Authentication

Please bear with me, I am a software developer and know little of Active Directory and Windows Server domains. I am running a .NET MVC intranet application on IIS (Windows Server 2016 Standard) that ...
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286 views

IIS Windows Authentication : IE not choosing the right certificate

I am trying to setup an intranet website (osTicket ticketing solution). I want my users to connect automatically to the website, so they don't have to fill their credentials. For this I have : ...
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351 views

Cannot use integrated security with netcore app on iis installed as a web site

I have a little test project in netcore (2.1.401) that returns the logged in user via CNTLM. I deployed it to an IIS server following [this guide]. I also added the website to the hosts file. If I ...
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2k views

IIS and SQL Server Windows authentication in a django application

I am trying to run a django website which connects to a SQL Server, using IIS with Windows authentication. IIS server and SQL server are on different machines under the same domain i.e., iis_machine....
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798 views

NTLM with squid

I am new to Squid proxy and need help in setting up NTLM authentication. I checked so many resources on the web but did not find exact steps to get my work done Since I have no background on proxy/...
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692 views

Can't authenticate to IIS websites from within the server though I can from outside

I've installed IIS on a Windows 2016 server, and I'm configuring some websites that I'm migrating from a Windows 2008 server. The websites require Windows authentication. One of the sites is a service ...
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2k views

IIS Windows Authentication not asking for credentials

I am trying to set up a new web site using IIS7 on Windows 2008R2 The instructions i am using say to enabled Windows Authentication as seen below: The instruction say that when i try and request a ...
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1answer
139 views

Is there a way to configure IIS to require manual windows authentication even if user browser is configured for automatic logon?

Windows Server 2012 R2 IIS 8.5 Internet Explorer 11 I have an IIS web application that supports Windows Authentication (Providers: Negotiate, NTLM). I have a use case where a given user has ...
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2k views

Client Certificate Authentication and Windows Authentication on IIS

I have a https service hosted in IIS 10 which previously was using windows authentication, and was working good. Now, we need to implement Client Certificate Authentication. Currently i have enabled ...
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1answer
633 views

Does Windows prevent automatic NTLM authentication when the SMB server is located on a different subnet?

I have a Samba server[1] on my network with a share configured[2] to allow access for my Windows logon user. I can access the share from the Windows 10 machine that hosts the SMB server VM without ...
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287 views

Intranet running on IIS 8.5 with only Windows Authentication enabled returns 402.1 and then 403 error

WE've got an ASP.Net MVC application running on an internal server. We are using only Windows Authentication to allow access to portions of the site. When we set IIS to require an SSL connection (...
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1answer
47 views

Owner on CentOS changes to a numeric value after a set time [closed]

I have a CentOS web server that uses Windows Authentication from a 2012 r2 server on the network. Here is my issue: When I log on, all directories ls -l shows: ls -l drwxr-xr-x. 3 jbailey@...
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Log into Read-Only Domain Controller as administrator without connectivity to Primary Domain Controller

OK, I'm in a bit of a pickle. At one of our remote sites, we have a Windows Server 2012 R2 read-only domain controller that does not sync Domain Admin passwords. Anytime a domain admin tries to log ...
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1answer
2k views

Windows Server 2012 R2 - Help finding failed logon attempts source

I'm seeking help for this issue that I'm having in our AD domain controller where a lot of security events are being logged due to failed logon attempts by a (former) domain user that has been ...
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After a domain acct password change, what is the (max) length of time a windows service continue to run if not updated

I know the question is awkwardly phrased, and I also realize there are going to be multiple factors in this that don't lead to a single definitive answer. I seem recall in the past, having services ...

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