2003 terminal services - unknown profiles created

On a windows 2003 terminal server, I was going through c:\documents and settings and I noticed that there were various profiles created, for example

c:\documents and settings\firstname.lastname
c:\documents and settings\anotherfirstname.anotherlastname

overall around 10 new profile folders, that were not created by the local user logon.

Can I find more information about the terminal server user logins on 2003?  specifically how were these folders created? the timestamp shows that it was not during working hours.
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Radhakrishnan RSenior Technical LeadCommented:

That's expected in terminal servers as it is the way the TS designed for. Those profiles are created when a user access (login) via this terminal server. This can be deleted as it's a temporary profile. There is a group policy to set the profiles to be delete after xxx days.

Hope this helps.
sk391Author Commented:
thank you however the users had been disabled in AD, and the profiles were created outside business hours, thats why its suspicious. how can we dig deeper to find out what is the root cause for this?
Toni UranjekConsultant/TrainerCommented:
Check Security log for Event ID: 528 with Logon Type: 10 (remote desktop) and check Workstation Name value.

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sk391Author Commented:
thank you but unfortunately we dont have security log because this happened last month. any other ideas?
Toni UranjekConsultant/TrainerCommented:
If your Security log was overwritten, you should restore them from your backups.
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Windows Server 2003

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