Figure 1. Kerberos authentication. Windows records event ID 4771 (F) if the ticket request (Step 1 of Figure 1) failed; this event is only recorded on DCs. If the problem arose during pre-authentication (either steps 2, 3, or 4 of Figure 1), Windows records event 4768 instead. ...
Pre-authentication types, ticket options, encryption types and result codes are defined in RFC 4120. Failure A Kerberos authentication ticket (TGT) was requested. Account Information: Account Name: nebuchadnezzar Supplied Realm Name: acme-fr User ID: NULL SID MSDS-SupportedEncryptionTypes: Available...
Kerberos pre-authentication failed. Account Information: Security ID: ACME\administrator Account Name: Administrator Service Information: Service Name: krbtgt/acme Network Information: Client Address: ::ffff:10.42.42.224 Client Port: 50950 Additional Information: Ticket Options: 0x40810010 Failure Code: 0x...
Auditing is now turned on and event 4740 will be logged in the security events logs when an account is locked out. In addition, the Kerberos logs are enabled which will log authentication failures with the lockout. Sometimes event 4740 does not log the source computer and the Kerberos logs p...
Event ID: 4768 Task Category: Kerberos Authentication Service Level: Information Keywords: Audit Success User: N/A Computer: Work2008R2.TestDomain.local Description: A Kerberos authentication ticket (TGT) was requested. Account Information: Account Name: LTest ...
Why am I getting the Event ID 4771 error? This error means that you tried to connect to a server using Kerberos pre-authentication, but the server did not respond to your request. In Windows, Kerberos pre-authentication verifies a user’s credentials before the KDC authenticates them. ...
Event ID: 4768Task Category: Kerberos Authentication ServiceLevel: InformationKeywords: Audit FailureUser: N/AComputer: DC1.domain.comDescription:A Kerberos authentication ticket (TGT) was requested.Account Information:Account Name: name@domain.com...
Event - Provider: Microsoft-Windows-ActiveDirectory_DomainService, ID: 2144 Event 11 The KDC encountered duplicate names while processing a Kerberos authentication request. (of type KEY ID) Event 13512 - The File Replication Service has detected an enabled disk write cache Event 1789, ActiveDirector...
Event ID 26 — KDC Encryption Type Configuration http://technet.microsoft.com/en-us/library/cc734055.aspx Kerberos authentication protocol is significantly improved in Windows Vista with the following features AES support Improved security for Kerberos Key Distribution Centers (KDCs) located on branch...
Product: Windows Operating System ID: 14050 Source: Microsoft-Windows-Hyper-V-VMMS **Version: **6.0 Symbolic Name: MSVM_VMMS_REGISTER_SPN_ERROR Message: Failed to register service principal name.Explanation:Kerberos authentication is not possible for services without properly set Service Pr...