If the SYS server to be activated can properly connect to the Internet, you can activate the SYS server in online mode.

1. Log in to HikCentral Professional via the Web Client. Refer to Login via Web Client.
2. Click Online Activation in the License area to open the License configuration window.
   Figure 1. Online Activation
3. Enter the activation code received when you purchased your License.
   Note:

   • If you have purchased more than one Licenses, you can click and enter other activation codes.

   • Up to 110 Licenses are allowed in one system.

   • The activation code should contain 16 characters or 32 characters (except dashes).

4. Optional: Set the Hot Spare switch to ON and input the required parameters if you want to build a hot spare system.
   Note:

   • You must select Hot Spare mode when you install the system.

   • For how to build the hot spare system, please contact our technical support engineers.

5. Click OK and the License Agreement dialog opens.
6. Read the License Agreement.

   • If you accept the terms of the License Agreement, check I accept the terms of the agreement and click OK to continue.

   • If you do not accept the agreement, click Cancel to cancel the activation.

   The activation will start.