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Questions tagged [ntlm]

NTLM (NT LAN Manager) is a suite of Microsoft security protocols that provides authentication, integrity, and confidentiality to users.

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IIS7.5 Windows Authentication missing providers menu item (ntlm)

I'm trying to enable NTLM authentication on a Windows Server 2008 R2 machine with IIS 7.5 for a specific file in my web root. I've been following these instructions http://docs.moodle.org/en/NTLM_authentication#IIS_Configuration In the IIS Manager I…
Alex Bilbie
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IIS6 site using integrated authentication (NTLM) fails when accessed with Win7 / IE8

I'm having pretty similar problems as described in case 139099, but the fix there doesn't seem to work for me. Here's the details: Server: Win2003Srv R2 SP2 Stadalone, not a member of a domain. IIS6, TCP/443 (https). Anonymous access…
Ciove
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IE does not send NTLM domain

I have a problem with NTLM single-sign-on with IE8. We've got multiple domain controllers and users from multiple domains that we try to authenticate to a web application via NTLMv1 passthru. Somehow IE fails to send the user's domain in the NTLM…
Michael Böckling
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Sharepoint asks for NTLM credentials for every unique URL. How do I stop it?

I'm tasked with troubleshooting a problem we're having with a SP2010 site. The app is external, and there are several clients that must connect. Some clients are receiving a crazy amount of credential requests when trying to log on. It appears to…
Camron B
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Can we have Linked Servers when using NTLM?

I don't have access to the Active Directory settings, nor do I have access to change anything on the linked server. From everything I've read, it seems like this means I cannot use Kerberos - which is a big problem, because I don't know how to use a…
BlueRaja
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How to restrict NTLM V1 to select servers?

The domain I'm working on currently has NTLM V1 enabled for Domain Controllers. I've done some tests and discovered that only a few application servers require NTLM V1. Unfortunately I have to allow those servers to continue using NTLM V1 for…
Prox
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Apache reverse proxy to site using NTLM authentication fails with mod_rewrite but not mod_proxy

We have a reverse proxy server in front of an Exchange server and would like to lock down more of the paths. Minimized examples: Fails (but works for all pages that don't require authentication): ServerName…
melds
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Powershell session from CentOS 7 to Windows Server 2019

I want to open a Powershell session from CentOS 7 to a Windows Server 2019 using a domain account but I can't get it working. What I've done so far: Enabled WinRM on Windows (verified connection from another Windows Server 2019) Installed…
Michael
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Clear cached authentication for network share

Context: I map a cifs share in windows using NTLMv2 authentication, as the legacy server doesn't support kerberos. I am not prompted for login: net use S: \\server.domain.com\share /persistent:yes The command completed successfully. This is fine…
Cpt.Whale
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Remote Desktop to W10 with NTLM Disabled

We recently disable NTLM on our DCs (Default Domain Controllers Policy - Restrict NTLM: Deny all The problem is when some (not all) Windows 10 workgroup clients (connected with VPN) try to open a Remote Desktop to some Windows 10 Domain Clients they…
Stratos Develekos
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Default for lmcompatibilitylevel if it doesn't exist

If the registry item lmcompatibilitylevel in HKLM\System\CurrentControlSet\Control\Lsa does not exist, when I look at the local policy Network Security:LAN Mananager authentication level, it shows 'Not Defined' in the policy editor, and blank in the…
jfbradfo
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NTLM authentication and non-domain joined computers accessing shares on a domain

I have a non-domain joined Win 10 computer which accesses shares on a domain joined Win 2016 server. At first connection with one of these shares, the Win 10 client is challenged and I supply domain credentials. Everything works as expected. If I…
Chris Driver
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Why is NTLM authentication appearing as NT AUTHORITY\NETWORK SERVICE instead of machine account

I have an ASP.NET application whose app pool is running as Network Service which makes a request to SSRS running on a separate server to retrieve a report. The report displays the username (using SSRS's User!UserID parameter). I would have…
user221592
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IIS NTLM authentication prompting for passwords on alternate DNS name

We have an existing server with HTTPS set up and an certificate signed by an internal custom CA cert. It runs an app which uses windows authentication e.g. https://internalserver We browse to this from a windows box using IE/Edge/Chrome/Firefox and…
Orion Edwards
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Apache, mod_proxy_ajp and IE

I have an Apache 2.2 using mod_proxy_ajp as a reverse proxy for a Tomcat 6, running on RHEL5. On tomcat runs an application that does NTLM authentication. Using Firefox, everything works ok, but IE7 says "cannot display the web page". Without…
user27451
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