How do I turn off Kerberos authentication?

Disabling Kerberos authentication

  1. Log on to the host on which you want to disable Kerberos authentication.
  2. Edit ego. conf at EGO_CONFDIR to remove the EGO_AUTH_PLUGIN parameter. When you disable Kerberos, the message-integrity check is also disabled.

What is the Kerberos version used in Windows 2008?

Kerberos version 5 authentication
Feature description. The Windows Server operating systems implement the Kerberos version 5 authentication protocol and extensions for public key authentication, transporting authorization data, and delegation.

How do I disable NTLMv2?

You can disable it in the security settings in Group Policy. Make sure you understand when NTLMv2 is used and that you can safely turn it off.

How do I disable network security LAN Manager authentication level?

Find the policy “Network Security: LAN Manager authentication level”. Right click on this policy and choose “Properties”. Choose “Send NTLMv2 response only/refuse LM & NTLM”. Click OK and confirm the setting change.

How do I enable Kerberos on Windows Server?


  1. Open Control Panel.
  2. Click System and Security, and then click System > Advanced system settings.
  3. In the System Properties dialog box, click the Computer Name tab and click Change.
  4. In the Member of section, select Domain, and type the name of the domain to which you want to add this computer, and then click OK.

Where is my Kerberos domain controller?

Locating Active Directory KDCs

  1. From the command line, enter the following command: nslookup -type=srv _kerberos._tcp.REALM.
  2. Look up the KDCs for each realm against which users authenticate and the realm of the Authentication Server.

Which authentication protocol does Windows Server 2008 use as a default?

Kerberos is the default authentication protocol in Windows 2000 and later Microsoft OSs. Windows uses a negotiation mechanism to determine which authentication protocol will be used.

How do I configure Kerberos authentication in Windows Active Directory?

Configuring Kerberos authentication with Active Directory

  1. Enter the user’s First name and User logon name.
  2. Specify the Password and confirm the password. Select the User cannot change password and Password never expires check boxes.
  3. Verify that you have not selected the Require preauthentication check box.

Should I disable NTLMv2?

We recommend disabling NTLMv1 and NTLMv2 protocols and use Kerberos due to the following reasons: NTLM has very weak encryption.

What is Kerberos authentication in Windows?

Kerberos is a protocol for authenticating service requests between trusted hosts across an untrusted network, such as the internet. Kerberos support is built in to all major computer operating systems, including Microsoft Windows, Apple macOS, FreeBSD and Linux.

Is it possible to disable Kerberos authentication when Master is down?

I am afraid that it is not possible to disable Kerberos authentication. If I understand correctly, the share folders on both file servers are synchronized. You are looking for a method to redirect the user traffic to “Replica” when “Master” is down.

What is kerberos authentication?

Privacy policy. Thank you. Kerberos is an authentication protocol that is used to verify the identity of a user or host. This topic contains information about Kerberos authentication in Windows Server 2012 and Windows 8.

Why can’t I change my domain password with Kerberos?

If the domain controller does not support a Kerberos encryption type, that secret key cannot be used to change the password. In the Windows operating systems designated in the Applies To list at the beginning of this topic, there are three ways to block the ability to change passwords by using Kerberos with RC4 secret keys:

How to disable RC4 support for Kerberos on all domain controllers?

To set the account options on an account, right-click on the account, the click Properties, and click the Account tab. Disable RC4 support for Kerberos on all domain controllers.