Event ID 538 and 540 : Security threat? Tags: Security Event Id Windows XP Last response: May 1, 2005 2:37 PM in Windows XP Share Anonymous a b 8 Security April 29, 2005 1:20:06 PM Archived from groups: microsoft.public.windowsxp.security_admin (More info?) I saw some logs in my Boss XP machine with SP2. Some notable logs in Security were Event ID 538 and 540 Category : Logon/Logoff User: NT AUTHORITY\ANONYMOUS LOGON Source:Security Type: Success/Audit what is the best explanation for this? He is thinking that there is an anonymous logging remotely to his machine? Thank you More about : event 538 540 security threat Anonymous a b 8 Security May 1, 2005 2:37:18 PM Archived from groups: microsoft.public.windowsxp.security_admin (More info?) http://www.eventid.net/display.asp?eventid=538&eventno=... http://support.microsoft.com/kb/122702 http://support.microsoft.com/kb/140714 http://support.microsoft.com/kb/174074 http://support.microsoft.com/kb/318253 http://support.microsoft.com/kb/828020 http://support.microsoft.com/kb/828857 http://www.eventid.net/display.asp?eventid=540&eventno=... http://support.microsoft.com/kb/287537 http://support.microsoft.com/kb/300692 http://support.microsoft.com/kb/326985 Austin M. Horst Can't find your answer ? Ask ! Publish Related resources Event ID 538/540 /576 fills up Security Log!! Forum Event Error Logs with Event ID 538 and 540 Forum Event ID 538 & 540 whenuser did not logon Forum Event ID 538 Logon Type 3 NT AUTHORITY/ANONYMOUS LOGON Forum Anon Logon Events 538/540 Forum Event ID 540 Forum Event ID 576/ 538 - Guest Logon Forum Event Id : 538 Forum Event id 538 not being recorded Forum Subject: Security Event Log reading by Domain Users Forum 2061 Security Log Events in less than 2 hours! Forum "lock computer" event id Forum Auditing User logon/logoff events. Forum Event Viewer Problem - Security section Forum Event ID : 63 Forum Event ID 2000 on NT server Forum PCMCIA slots need more power??? HELP! Forum XP Pro--Admin Account Lost Security Privileges Forum Desktop Security? Forum E-mailing Errors from Event Log Forum More resources Read discussions in other Windows XP categories Configuration Customization Drivers Security Video !