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Code snippets : Windows : Clear Event Logs

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From script repository I did use in the past, VBscript which allows to clear EvenLog on Windows machine. I did use that on computers with Windows XP and Windows Server 2003. however, this script will work also on Windows 7 and Windows server 2008.

By default script clears EventLog on computer where script is executed. To clear logs on remote machine just modify variable strComputer and replace dot with name of the target machine.

Script will read all EvenLog files from machine and will go through them removing all events.

And here is script itself :

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate, (Backup, Security)}!\\" _
& strComputer & "\root\cimv2")
Set colLogFiles = objWMIService.ExecQuery _
("Select * from Win32_NTEventLogFile")
For each objLogfile in colLogFiles
objLogFile.ClearEventLog()
Next
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Tips&Tricks : How to skip Autologon in Windows XP

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As I had to fight with WIndows XP Autologon (we have it on many computers which are used for example for CCTV), I think can write down one more quick tips how to skip Autologon feature and use different account to access computer (for example to install Windows Updates).

So, situation I was dealing with was computer with Windows XP, connected to Active Directory domain with Autologn feature enabled. After computer started I’ve seen welcome dialog and after pressed ctrl-alt-del autologn procedure kick in and login to computer with restricted account. How to skip autologon process and be able to enter different username and password?

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Windows Registry : Autologon in Windows XP

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Again one of those things which I forget when is needed. Autologon in Windows XP. Funny enough is the fact that each time I’m looking for this information is when I want to prevent Windows XP from auto logon and trying to disable that in registry using remote access from Registry Editor.

Fortunately Microsoft prepared full detailed description, so now I can write down in my scratchpad for future reference instead of using Google each time I need that 😀

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