Cisco Systems: Cisco Security Manager Event storage

Cisco Security Manager requirements
1. At least 100GB partition for Windows 2008 server OS.
2. At least 150GB partition for Cisco Security Manager
3. At least 1TB partition for event storage.

Turn on event management
Login to Cisco Security Manager – Configuration Manager.

Then Choose event management, turn on the extended store management, so that the historical events will be copied.

After that click on save and you are done!