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how to find out who login to a PC

A lot of time I need to know who owns a PC that connecting to database etc.

I used to use nbtstat but it's not always tell me the answer. now I use wmic.

C:\windows\system32>wmic.exe /node:pcname computersystem get username
UserName
domainname\jsun

thanks to this link:

https://community.spiceworks.com/how_to/40336-use-cmd-to-return-the-logged-in-user-of-a-remote-computer

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