topic It is a license key for in Network Security

ASA LICENCE

peteryouhannafawzy — Tue, 12 Mar 2019 06:20:07 GMT

what is the use of the Security Contexts License (ASA5500-SC-5) .?

It is a license key for

Dinesh Moudgil — Sun, 26 Jul 2015 09:18:51 GMT

It is a license key for increasing the number of security contexts on ASA to 5.
Once you purchase the license key, you will get a PAK, and you can register that via the following:
https://tools.cisco.com/SWIFT/LicensingUI/Home
This will give you an activation key that you enter in your ASA.

Regards,
Dinesh Moudgil

P.S. Please rate helpful posts.

And if you are unsure what

Karsten Iwen — Sun, 26 Jul 2015 09:52:06 GMT

And if you are unsure what Security Contexts are at all: They are used to build "virtual firewalls" inside of an physical ASA: http://www.cisco.com/c/en/us/td/docs/security/asa/asa93/configuration/general/asa-general-cli/ha-contexts.html