It is shorthand for:

netsh int ip reset resetlog.txt

netsh i   i  r     r

The last ‘r’ being the “log file” that you really don’t care to read.

What does it do? It hits your TCP/IP stack with a sledge hammer. And forcefully rebuilds it via a rewrite of two Registry keys:


This has the same effect as removing and reinstalling TCP/IP.

Please do this command in an Administrative command prompt


Leave a Reply

Your email address will not be published. Required fields are marked *