How to identify the user by using Workstation name or IP address ?

Hi People,

What is the best way to identify the remote user of a laptop or desktop given only the IP address or the Workstation name ?

I've tried QWINSTA /SERVER:(IP or WORKSTATIONname) but it is not working with access denied error ? but it works for Windows Server.

Any help please ?
LVL 9
Senior IT System EngineerIT ProfessionalAsked:
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atsvirginiaCommented:
If you need to find a username but only have an ip address, if you use active directory (AD) then you can use the following method to find out the username:

At the command prompt enter the following command:
nbtstat –a ipaddress
Where ipaddress is the ip address.
This will list the machine name using that ip address.
Then run the following command:
net view /domain:ad > somefile.txt
Where ad is the name of the domain you want to search and somefile.txt is the name of the file to contain the output.
This will generate a list of every machine and who is logged in.
Open the output file and search for the machine name determined in step 1 (the username will be listed next to this).


This solution was from the following links:

http://geekswithblogs.net/TimH/archive/2006/05/03/77070.aspx
http://forums.techarena.in/networking-security/1272062.htm
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Tony MassaCommented:
You can use PSLoggedon to see who's logged on locally.
http://technet.microsoft.com/en-us/sysinternals/bb897545

Example:  psloggedon.exe -l \\computername (or IP address)

loggedon v1.33 - See who's logged on
Copyright ¬ 2000-2006 Mark Russinovich
Sysinternals - www.sysinternals.com

Usage: psloggedon [-l] [-x] [\\computername]
    or psloggedon [username]
-l     Show only local logons
-x     Don't show logon times

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Senior IT System EngineerIT ProfessionalAuthor Commented:
thanks for the update mate,

but it failed:

PsLoggedon v1.34 - See who's logged on
Copyright (C) 2000-2010 Mark Russinovich
Sysinternals - www.sysinternals.com

Error opening HKEY_USERS for \\Workstation324
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Tony MassaCommented:
What account are you running with, and are you scanning Windows 7 computers?  Are the computers remote (i.e. connected via VPN?)

I'm trying to determine if the Windows firewall is on for these systems via GPO when they are not "domain connected"
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Leon FesterSenior Solutions ArchitectCommented:
The easiest way is to access the WMI database.
You can do this directly from the command line.

Just copy and paste the code below with the neccessary adjustments for the IP or WORKSTATIONname.

wmic /node:(IP or WORKSTATIONname) computersystem get username

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Leon FesterSenior Solutions ArchitectCommented:
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Leon FesterSenior Solutions ArchitectCommented:
nvm the last link, wrong question.
OOPS!
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