How do I configure shared licensing on an ASA

A shared license lets you purchase a large number of SSL VPN sessions and share the sessions as needed amongst a group of security appliances by configuring one of the security appliances as a shared licensing server, and the rest as shared licensing participants.
Further information on shared licensing can be found here

Below shows the steps on how to configure a Shared License server.

1. Install Cisco license key, run the commands:

1.activation-key key

2.reload

2. Configure license server :

1.license-server enable interface (Inside interface)           

2.license-server secret   ‘your-password’

3.license-server port port  50554

4.license-server refresh-interval 100

5.wr mem

3.  Configure shared license ASA’s.

1.license-server address  X.X.X.X  secret [password] port 50554

2.wr mem

4.  Confirming shared license  - show shared license

01.hostname >  show shared license

02.Primary License Server : 10.3.32.20

03.Version              : 1

04.Status               : Inactive

05. 

06.Shared license utilization:

07.SSLVPN:

08.Total for network :     5000

09.Available         :     5000

10.Utilized          :        0

11.This device:

12.Platform limit    :      250

13.Current usage     :        0

14.High usage        :        0

15.Messages Tx/Rx/Error:

16.Registration    : 0 / 0 / 0

17.Get             : 0 / 0 / 0

18.Release         : 0 / 0 / 0

19.Transfer        : 0 / 0 / 0