License information overview
On the Getting started page under License in the bottom left corner, see the following information about your hardware device licenses:

- The number of hardware device licenses activated on this server and the total number of hardware device licenses you have purchased as part of the same software license file.
- If the same software license file is shared on multiple surveillance systems in a master/slave setup, the license overview shows the same total number of purchased licenses for all systems.
Only XProtect Professional supports the master/slave setup feature.
To find out how many free licenses you have, add the number of activated licenses on all your systems and subtract this number from the total number of purchased licenses. Alternatively, visit our website for software registration.
- The maximum number of hardware devices you can add to each server in your VMS system. To exceed this maximum, you must upgrade to a more advanced XProtect VMS product. For more information about how to do this, contact your reseller.
- The number of activated hardware devices you have replaced or added without having to activate.
The column Changes without activation shows the number of hardware devices you can replace or add without having to activate your hardware device licenses as well as how many changes you have already made since last activation. Hardware devices added within your number of device changes without activation run as fully activated hardware device licenses and have the status Licensed in the Hardware device summary table. Because you can add or replace devices without activating them, you gain flexibility in the day-to-day maintenance of your system. For more information, see About device changes without activation. - The number of hardware devices running in a 30-day grace period. If you have already used your number of device changes without activating this or have added more hardware devices than you have purchased licenses for, the added hardware devices run in a grace period. Once the grace period expires, cameras are disabled and stops sending video to the system. You can also see when the first grace period for a hardware device expires.
For easy maintenance and flexibility, your VMS system is set up to automatically activate your licenses online each time you add or remove hardware devices. Of course, automatic license activation requires that your system is connected to the Internet.
If your system is not connected to the Internet, and you have added or replaced hardware devices within your number of device changes without activating them or have added hardware devices that now run in a grace period, click the Activate link to activate your hardware device licenses. Your number of device changes without activation now reflects the new number of activated licenses. The hardware devices previously in grace period are moved to activated if you have enough purchased licenses. For more information, see About license activation.

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