Chapter 7. License server
| ![[Note]](https://webapi.partcommunity.com/service/help/latest/pages/en/3dfindit/doc/images/note.png) | Note | 
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| An optional backup server must be set up on another server. A master backup network should consist of servers of the same version (12.00/SP/build). 
 
You should always try to install the license server on servers with only one IP address. Multi-homed (those with several IP addresses) should be avoided if possible.It is advisable to use a current V12 license server, as RC4 was previously used for transmission protocols and V12 is a state-of-the-art encryption method. You can recognize this by the indication "V3" in the Status column. 
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The following sections explain how to set up a license server (MASTER-BACKUP network) and how to import the license.