CMD · Network

Reset Winsock and the TCP/IP stack

Resets several Windows networking components when connectivity remains broken after basic checks.

Moderate riskAdministrator rights may be required

Command

ipconfig /flushdns
netsh winsock reset
netsh int ip reset

echo Redemarrez ensuite l'ordinateur.

When to use it

Reserve this for persistent network, Winsock catalog, or corrupted TCP/IP configuration problems.

How it works

flushdns clears the DNS cache.
winsock reset rebuilds the Winsock catalog.
int ip reset restores default TCP/IP settings.

Precautions

A restart is required.
Record static IP settings and any custom network configuration before running the commands.

Rollback

Restore any static IP and DNS settings manually if the computer used them.

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