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What changes, if any, to TCP/IP settings would require a reboot of a server or client machine ?

Junaid Ebrahim 21 Reputation points
2021-05-17T09:12:46.653+00:00

Considering the changing of Network adapter settings and when they are actually applied, expecially considering when to be certain that these settings have applied as a dependency for application testing.

On the windows TCP/IP settings , there are various levels of settings.

  1. TCP/IP properties - Static or DHCP ip And automatic or set DNS
  2. Advanced TCP/IP Settings - IP settings , DNS (append suffixes, append parent suffixes e.t.c.) , WINS

I am looking at this in the context of Windows Server 2012 R2 and later.

Do changes to any of these settings require a reboot to be effective ?

If so , which changes in particular require reboot?

If no reboot is required, excuding app restarts which I would do anyway, do we require any OS specific commands to be sure ? (e.g. flushdns e.t.c. )

Kind regards,
Junaid

Windows Network
Windows Network
Windows: A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.Network: A group of devices that communicate either wirelessly or via a physical connection.
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  1. Dave Patrick 426.3K Reputation points MVP
    2021-05-17T12:32:49.797+00:00

    No reboot required. If the server were a domain controller then I'd do ipconfig /flushdns, ipconfig /registerdns, restart the netlogon service.

    --please don't forget to Accept as answer if the reply is helpful--

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  1. Jiang Zhang 786 Reputation points
    2021-05-18T10:28:48.777+00:00

    Hi,
    In my opinion, you do not need reboot.
    By resetting your network configuration, run as administrator to start Command Prompt, run the following commands one by one: ipconfig /release> ipconfig /renew> ipconfig /flushdns. After running these commands, your network configuration will reset.

    Best Regards,
    Mulder Zhang

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