NT Authority\System

I would like to know about the NT Authority\System account. Because sometimes on the server I can see on the field " Last Logged on By"  the NT Authority\System
and just below it MydomainName\Administrator.

I don't understand how does this happen?

Any Idea?

Thanks
ChuckbuchanAsked:
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jmtyraCommented:
Ok, here's a little bit more on the subject:

http://support.microsoft.com/kb/q132679/
http://www.microsoft.com/technet/prodtechnol/windowsserver2003/library/ServerHelp/bb03e8f6-ead9-422b-bd83-a82ba038ab10.mspx

Also, see the the info on this link...I'll copy and paste some of it:
http://www.microsoft.com/technet/prodtechnol/windowsserver2003/library/ServerHelp/a958b9d2-3ec1-4ab0-9f9f-7cb396605f3e.mspx

_______________________

Local System account:
The Local System account is a powerful account that has full access to the system, including the directory service on domain controllers. If a service logs on to the Local System account on a domain controller, that service has access to the entire domain. Some services are configured by default to log on to the Local System account. Do not change the default service setting.

Local Service account:
The Local Service account is a special, built-in account that is similar to an authenticated user account. The Local Service account has the same level of access to resources and objects as members of the Users group. This limited access helps safeguard your system if individual services or processes are compromised. Services that run as the Local Service account access network resources as a null session with no credentials.

Network Service account:
The Network Service account is a special, built-in account that is similar to an authenticated user account. The Network Service account has the same level of access to resources and objects as members of the Users group. This limited access helps safeguard your system if individual services or processes are compromised. Services that run as the Network Service account access network resources using the credentials of the computer account.
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jmtyraCommented:
Hey there! :D

As I understand it, this is the actual 'computer system', and normally you see these entries when a service is doing something.
All of your system services (by default) log on as the local 'system'.

I'll see if I can get you a link with some more infomation. :-)
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