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BenjiDuff's avatar
BenjiDuff
Copper Contributor
Mar 28, 2022

Windows Server 2022 NetworkProfile 4004 Events High CPU

Hi,   We have 2 Windows Server 2022 machines, one is physical and one is virtual. Both are seeing high CPU usage. The Network List Service is the cause of this. We see constant 4004 events in Event...
Windows Server
BenjiDuff's avatar
BenjiDuff
Copper Contributor
Mar 30, 2022

It's the NCSI tests, it's spamming our proxy server, it looks like they're succeeding so not sure why it keeps going. Turning off NCSI (ActiveProbing to 0) resolves the issue. Why?

Harm_Veenstra's avatar
Harm_Veenstra
MVP
Mar 30, 2022
Can't you exclude it from the proxy? The Domain User get's the settings pushed by GPO for the proxy?
  • BenjiDuff's avatar
    BenjiDuff
    Copper Contributor
    Mar 31, 2022
    Checked again and it doesn't matter if it's going through the proxy or direct. constant connections to http://www.msftconnecttest.com.
    • Harm_Veenstra's avatar
      Harm_Veenstra
      MVP
      Mar 31, 2022
      At least you have a work-around in place by setting the registry key, but can't explain the constant connections for NCSI...

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