WLC license error

Question

Hi ,
One of my colleague purchased a 9 AP adder license for Cisco 2504 WLC.
He has connected his Laptop directly to the WLC and trying to install the file via CLI. Connectivity between PC to WLC is fine, however he is receiving below error msg while trying to install that License file.

Answer 1

Using the CLI to Install a License
To install a license on the controller using the controller CLI, follow these steps:
Step 1 Install a license on the controller by entering this command:
license install url
where url is tftp:// server_ip / path / filename .
Note To remove a license from the controller, enter the license clear license_name command. For example, you might want to delete an expired evaluation license or any unused license. You cannot delete unexpired evaluation licenses, the permanent base image license, or licenses that are in use by the controller.
Step 2 If you are prompted to accept the end-user license agreement (EULA), read and accept the terms of the agreement.
Note Typically, you are prompted to accept the EULA for evaluation, extension, and rehost licenses. The EULA is also required for permanent licenses, but it is accepted during license generation.
Step 3 Add comments to a license or delete comments from a license by entering this command:
license comment { add | delete } license_name comment_string
Step 4 Save a backup copy of all installed licenses by entering this command:
license save url
where url is tftp:// server_ip / path / filename .
Step 5 Reboot the controller by entering this command:
reset system
Step 6 Follow the instructions in the “Viewing Licenses” section to see the status of the license you installed.
Step 7 If the desired license is not being used by the controller, follow the instructions in the “Choosing the Licensed Feature Set” section or the “Activating an AP-Count Evaluation License” section to change the license that is used by the controller.