This error code cannot occur in event “4768. A Kerberos authentication ticket (TGT) was requested”. It occurs in “4771. Kerberos pre-authentication failed” event. 0x11 KDC_ERR_TRTYPE_NO_SUPP KDC has no support for transited type No information. 0x12 KDC_ERR_CLIENT_REVOKED Client’s ...
Event ID 4768is logged only in domain controller for both success and failure instances. If the username and password are correct and the DC grants the TGT and logs theEvent ID 4768(authentication ticket granted). If the ticket request fails Windows will either log theevent 4768with failure...
Cross Forest authentication issue Event ID 4625 and Netlogon logs Cross Forest LDAP Query and sub domains. Cross Forest trust was working now getting Parameter is incorrect when checking on side Cross Forest Trust with one way domain trust issue Cross-Forest Kerberos Authentication Delegation of cli...
Event ID 36887 : A fatal alert was received from the remote endpoint. The TLS protocol defined fatal alert code is 48. event ID 40961 Event ID 4625 Event ID 4625 - Source Address: ::1 Event ID 4625 occuring every couple of secs Event ID 4625 unknown user errors Event ID 4768 Event ID...
It can also happen when a domain controller doesn’t have a certificate installed for smart cards (Domain Controller or Domain Controller Authentication templates). This error code can't occur in event “4768. A Kerberos authentication ticket (TGT) was requested”. It occurs in “4771. Kerberos...
\n\n Supported Encryption Types \n \n 0 \n\n 0x0 \n\n Not defined - defaults to RC4_HMAC_MD5 \n \n 1 \n\n 0x1 \n\n DES_CBC_CRC \n \n 2 \n\n 0x2 \n\n DES_CBC_MD5 \n \n 3 \n\n 0x3 \n\n DES_CBC_CRC, DES_CBC_MD5...
There are 2 computers/services that are configured for RC4/DES only If you have any clients or DCs that are configured to only support AES, authentication will fail
If the username and password are correct and the user account passes status and restriction checks, the DC grants the TGT and logs event ID 4768 (authentication ticket granted). If the ticket request fails Windows will either log this event, 4768 or 4771 with failure as the type. The ...
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. ...
Hopefully, you have bypassed the Event ID 4771 Kerberos pre-authentication failed error with one of these methods. You may also come across anEvent ID 4768, where your Kerberos authentication ticket is requested. If so, don’t hesitate to check out our expert article. ...