# How to make an online FNE server offline

Add the following line to `/etc/hosts` on the FNE license server at the end of the file:

**0.0.0.0 license.advantest.com**

<p class="callout info">**Note**: the line 0.0.0.0 license.advantest.com is sometimes not working because of individual customer IT setup. Then you need to talk to customer ID.</p>