Majority of the process we do not have any issues. I have tried to narrate much as i could to explain the real situation. Could anybody share some knowledge here to solve this issue.
Thanks for those who has viewed my post. The content you requested has been removed. Ask a question. Quick access. The next time the system starts, Windows will try to use the entered credentials to log on the user at the console. Note that Autologon does not verify the submitted credentials, nor does it verify that the specified user account is allowed to log on to the computer. To turn off auto-logon, hit Disable. Also, if the shift key is held down before the system performs an autologon, the autologon will be disabled for that logon.
You can also pass the username, domain and password as command-line arguments:. Note: When Exchange Activesync password restrictions are in place, Windows will not process the autologon configuration. Skip to main content. Privacy policy.
This reference topic for the IT professional describes how Windows authentication processes credentials. Windows credentials management is the process by which the operating system receives the credentials from the service or user and secures that information for future presentation to the authenticating target.
In the case of a domain-joined computer, the authenticating target is the domain controller. The credentials used in authentication are digital documents that associate the user's identity to some form of proof of authenticity, such as a certificate, a password, or a PIN. By default, Windows credentials are validated against the Security Accounts Manager SAM database on the local computer, or against Active Directory on a domain-joined computer, through the Winlogon service.
Credentials are collected through user input on the logon user interface or programmatically via the application programming interface API to be presented to the authenticating target.
Stored information includes policy settings, default security values, and account information, such as cached logon credentials. A copy of the SAM database is also stored here, although it is write-protected.
The following diagram shows the components that are required and the paths that credentials take through the system to authenticate the user or process for a successful logon. The following table describes each component that manages credentials in the authentication process at the point of logon.
For more information about user mode and kernel mode, see Applications and User Mode or Services and Kernel Mode in this topic. Security Support Providers A set of providers that can individually invoke one or more authentication protocols.
The default set of providers can change with each version of the Windows operating system, and custom providers can be written. Registry The Registry contains a copy of the SAM database, local security policy settings, default security values, and account information that is only accessible to the system.
This topic contains the following sections:. Credential input for user logon. Credential input for application and service logon. Cached credentials and validation. Credential storage and validation. Local domains and trusted domains. Certificates in Windows authentication. In Windows Server and Windows Vista, the Graphical Identification and Authentication GINA architecture was replaced with a credential provider model, which made it possible to enumerate different logon types through the use of logon tiles.
Both models are described below. In these systems, every interactive logon session creates a separate instance of the Winlogon service. The GINA architecture is loaded into the process space used by Winlogon, receives and processes the credentials, and makes the calls to the authentication interfaces through LSALogonUser. The instances of Winlogon for an interactive logon run in Session 0.
The credential provider architecture applies to those versions designated in the Applies To list at the beginning of this topic. In these systems, the credentials input architecture changed to an extensible design by using credential providers. These providers are represented by the different logon tiles on the secure desktop that permit any number of logon scenarios - different accounts for the same user and different authentication methods, such as password, smart card, and biometrics.
With the credential provider architecture, Winlogon always starts Logon UI after it receives a secure attention sequence event. Logon UI queries each credential provider for the number of different credential types the provider is configured to enumerate.
Credential providers have the option of specifying one of these tiles as the default. After all providers have enumerated their tiles, Logon UI displays them to the user. The user interacts with a tile to supply their credentials.
Logon UI submits these credentials for authentication. Credential providers are not enforcement mechanisms. They are used to gather and serialize credentials.
The Local Security Authority and authentication packages enforce security. Packaging credentials for interactive and network logon includes the process of serialization. By serializing credentials multiple logon tiles can be displayed on the logon UI. Multiple credential providers can co-exist on the same computer. The SSO provider permits users to make a connection to a network before logging on to the local computer. When this provider is implemented, the provider does not enumerate tiles on Logon UI.
Network authentication and computer logon are handled by different credential providers. Variations to this scenario include:. A user has the option of connecting to a network, such as connecting to a virtual private network VPN , before logging on to the computer but is not required to make this connection. Network authentication is required to retrieve information used during interactive authentication on the local computer.
Multiple network authentications are followed by one of the other scenarios. For example, a user authenticates to an Internet service provider ISP , authenticates to a VPN, and then uses their user account credentials to log on locally. Cached credentials are disabled, and a Remote Access Services connection through VPN is required before local logon to authenticate the user.
A domain user does not have a local account set up on a domain-joined computer and must establish a Remote Access Services connection through VPN connection before completing interactive logon. Network authentication and computer logon are handled by the same credential provider.
In this scenario, the user is required to connect to the network before logging on to the computer. For those operating systems designated in the Applies to list at the beginning of this topic. The credential provider enumerates the tiles for workstation logon. The credential provider typically serializes credentials for authentication to the local security authority.
This process displays tiles specific for each user and specific to each user's target systems. The logon and authentication architecture lets a user use tiles enumerated by the credential provider to unlock a workstation.
Typically, the currently logged-on user is the default tile, but if more than one user is logged on, numerous tiles are displayed. The credential provider enumerates tiles in response to a user request to change their password or other private information, such as a PIN. Typically, the currently logged-on user is the default tile; however, if more than one user is logged on, numerous tiles are displayed. The credential provider enumerates tiles based on the serialized credentials to be used for authentication on remote computers.
Therefore, state information cannot be maintained in the provider between instances of Credential UI. This structure results in one tile for each remote computer logon, assuming the credentials have been correctly serialized. This scenario is also used in User Account Control UAC , which can help prevent unauthorized changes to a computer by prompting the user for permission or an administrator password before permitting actions that could potentially affect the computer's operation or that could change settings that affect other users of the computer.
The following diagram shows the credential process for the operating systems designated in the Applies To list at the beginning of this topic. Windows authentication is designed to manage credentials for applications or services that do not require user interaction.
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