Hi guys,
I am getting this following error on the domain controller and i am having issue with one of the user being locked out every 5 minutes.
I have 10 days as lockout policy. She changed the password recently and then this started happening.
I used Account Lockout Status and found this on the domain controller event viewer
Kerberos pre-authentication failed.
Account Information:
Security ID: VISIONSCIENCES\lantonacci
Account Name: lantonacci
Service Information:
Service Name: krbtgt/VISIONSCIENCES.COM
Network Information:
Client Address: ::ffff:192.168.1.3
Client Port: 49317
Additional Information:
Ticket Options: 0x40810010
Failure Code: 0x18
Pre-Authentication Type: 2
Certificate Information:
Certificate Issuer Name:
Certificate Serial Number:
Certificate Thumbprint:
Certificate information is only provided if a certificate was used for pre-authentication.
Pre-authentication types, ticket options and failure codes are defined in RFC 4120.
If the ticket was malformed or damaged during transit and could not be decrypted, then many fields in this event might not be present.
Can you guys please help. I have windows server 2008 r2 as DCs