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Contents of C:\Windows\debug\NetSetup.log

I found a log file that says a windows device was added to my workgroup and I don't recognize it. That is not my windows machine name. How do I make sure this is not a security issue on my computer?

C:\Windows\debug>type NetSetup.LOG

05/25/2021 15:10:23:212 -----------------------------------------------------------------

05/25/2021 15:10:23:212 NetpDoDomainJoin

05/25/2021 15:10:23:228 NetpDoDomainJoin: using new computer names

05/25/2021 15:10:23:228 NetpDoDomainJoin: NetpGetNewMachineName returned 0x0

05/25/2021 15:10:23:228 NetpMachineValidToJoin: 'WIN-NQQSKMVVEG7'

05/25/2021 15:10:23:228 NetpMachineValidToJoin: status: 0x0

05/25/2021 15:10:23:228 NetpJoinWorkgroup: joining computer 'WIN-NQQSKMVVEG7' to workgroup 'WORKGROUP'

05/25/2021 15:10:23:228 NetpValidateName: checking to see if 'WORKGROUP' is valid as type 2 name

05/25/2021 15:10:23:400 NetpCheckNetBiosNameNotInUse for 'WORKGROUP' [ Workgroup as MACHINE] returned 0x0

05/25/2021 15:10:23:400 NetpValidateName: name 'WORKGROUP' is valid for type 2

05/25/2021 15:10:23:696 NetpJoinWorkgroup: status: 0x0

05/25/2021 15:10:23:696 NetpDoDomainJoin: status: 0x0

Answer
Answer
With the settings you describe I would not worry about intrusion into your network. It's probably a device you had briefly connected.

You can optimize your router for tighter security here:
http://www.maximumpc.com/article/features/ultim...
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Retired 2023, thirteen year daily forums volunteer, Windows MVP 2010-2020

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Last updated March 13, 2025 Views 1,796 Applies to: