I have the UniFi AP-LR, and using the Unifi Controller version 188.8.131.5201. To upgrade to version 3.2.5 in Windows server 2003 enviroment, what is the best procedure? Make backup and only run the installer, that is this or i need make anything?
Definitely make a backup before upgrading; that's just a good protocol to follow. Then it's pretty straightforward and painless (hopefully).