20 Doc Cals already in use, i want to update more 80 license.. how to do..
to do that go to QEMC --> System License --> Qlikview server --> Qlikview Server License --> on the bottom right you will find a button Update License from Server.
This will update your License in case you have internet on server.
If not you need to Enter License Control and LEF.
QlikView 11.2 sr12 is latest for time being.
For upgrade, check this.