Everything ok, I received a sticker with an active code. The invoice was correctly sent by mail. The system could not be activated electronically, it was necessary to have call at an automated Microsoft line. 5 minutes and Windows was activated;)
Windows Server 2016 RDS User CAL

- Transferable license (online activation)
- 1 license for 1 user only
- CALs (= Client Access Licenses)
- Used for accessing Windows Server 2016 or older
- License with no expiration date
- License certificate
- Documentation in accordance with the EU laws (Seller's Declaration)
- Confirmation of purchase (invoice)
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Windows Server 2016 RDS User CAL
This is a brand-new product in our portfolio. We wanted to bring this high quality software to you as soon as possible, so that you can buy it right away. Pardon us for the missing product description, we are working on it!
IMPORTANT: You will need to provide us with your License Server ID to complete the activation process.
Contact our customer support for more information