Event submitted by Event Log Doctor
Event ID:
40968
Source:
LSASRV

Message:
The Security System has received an authentication request that could not be decoded. The request has failed.


Solution by Event Log Doctor
Fri Mar 03 15:35:33 -0500 2006

This error is logged when a Windows Server 2003 is scanned by the Nessus scanner.

Solution by Anonymous
Mon Nov 02 14:40:43 -0500 2009

Event Log Doctor is dead-on. Someone is interested in obtaining root level access to your machine. Check your user list for odd entries, change your administrator password to one that is complex and run netstat in a CLI to look for unusual connections to foreign machines.



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