What is Substatus 0xC000006A?
Failure Information\Status or Failure Information\Sub Status. 0xC000006A – “User logon with misspelled or bad password” for critical accounts or service accounts.
What is Microsoft Security Auditing 4625?
Event ID 4625 (viewed in Windows Event Viewer) documents every failed attempt at logging on to a local computer. This event is generated on the computer from where the logon attempt was made. A related event, Event ID 4624 documents successful logons.
What is Ntlmssp process?
From Wikipedia, the free encyclopedia. NTLMSSP (NT LAN Manager (NTLM) Security Support Provider) is a binary messaging protocol used by the Microsoft Security Support Provider Interface (SSPI) to facilitate NTLM challenge-response authentication and to negotiate integrity and confidentiality options.
What is null SID?
This blank or NULL SID if a valid account was not identified – such as where the username specified does not correspond to a valid account logon name. Account Name: The account logon name specified in the logon attempt.
What is a logon GUID?
Logon GUID is a unique identifier that can be used to correlate this event with a KDC event. Transited services indicate which intermediate services have participated in this logon request. Package name indicates which sub-protocol was used among the NTLM protocols.
What is error code 0xC0000072?
0xC0000071. Account logon with expired password. 0xC0000072. Account logon to account disabled by administrator.
How do you stop audit failure 4625?
To block the authentication access from the unknown IP network segment, the best solution is to allow the special IP network segment communication though firewall or block the unknown IP network segment again and again by checking the event log. Also, you can check netlogon logs at Server.
What does NTLM mean?
LAN Manager
Windows New Technology LAN Manager (NTLM) is a suite of security protocols offered by Microsoft to authenticate users’ identity and protect the integrity and confidentiality of their activity.
Does NTLM use SMB?
NTLM over a Server Message Block (SMB) transport is a common use of NTLM authentication and encryption. The following is an example protocol flow of NTLM and Simple and Protected Generic Security Service Application Program Interface Negotiation Mechanism (SPNEGO) ([MS-SPNG]) authentication of an SMB session.
What does transited services mean in NTLM protocol?
– Transited services indicate which intermediate services have participated in this logon request. – Package name indicates which sub-protocol was used among the NTLM protocols. – Key length indicates the length of the generated session key.
What is NTLM and how does it work?
NTLM is a type of single sign-on (SSO) because it allows the user to provide the underlying authentication factor only once, at login. The NTLM protocol suite is implemented in a Security Support Provider (SSP), a Win32 API used by Microsoft Windows systems to perform a variety of security-related operations such as authentication.
What kind of authentication protocols does NTLM use?
The NTLM authentication protocols include LAN Manager version 1 and 2, and NTLM version 1 and 2. The NTLM authentication protocols authenticate users and computers based on a challenge/response mechanism that proves to a server or domain controller that a user knows the password associated with an account.
Is there a NTLM for Windows Server 2012?
There is no removed or deprecated functionality for NTLM for Windows Server 2012 . NTLM cannot be configured from Server Manager. You can use Security Policy settings or Group Policies to manage NTLM authentication usage between computer systems. In a domain, Kerberos is the default authentication protocol.