How online activation works: key by email, enter it, activated

Microsoft RDS Server 2016 — 50 Device CAL — Online Key

$17.50

50 Remote Desktop Services (RDS) Device CALs for Windows Server 2016. Allows 50 devices to connect remotely, used by any user. Fast delivery.

What happens after you pay

Our team checks your order and emails your key — usually within a few minutes.
Your key and a step-by-step activation guide also stay on your order page.

Genuine Microsoft license Personal support chat 7 days to activate — guaranteed Secure checkout by Stripe

SKU: KL-RDS16-50D Categories: Shop, Windows Server Tags: Device CAL, Online Key, RDS, Server 2016 Brand: Microsoft

Activation Online — enter the key and it activates

License One-time purchase — permanent

Covers 50 devices

Warranty Activate within 7 days — free replacement if it doesn't work

Delivery Checked by our team — usually within a few minutes

Buy RDS 2016 Device CAL — 50 Device Remote Desktop Licenses

License 50 devices at the lowest price with this genuine RDS 2016 Device CAL. Each RDS 2016 Device CAL lets any user connect from a licensed device to Windows Server 2016.

What You Get

50x RDS Device CALs for Server 2016
Fast delivery
Device-based licensing
Global activation

Device vs User

Device CAL: Per-device.
User CAL: See our RDS 2016 User CAL.

How to Activate

Open RD Licensing Manager
Install your RDS 2016 Device CAL key

See our guide and Microsoft docs.

Is This Key Genuine?

Genuine Microsoft RDS 2016 Device CAL key. Covered by our activation guarantee.

1 online product key for Microsoft Remote Desktop Services 2016 Per Device CAL, 50-device pack.
Adds 50 RDS Per Device CALs to the pool of a single Windows Server 2016 or later RD Licensing server.
Licenses 50 endpoints against RD Session Hosts running Windows Server 2016 or earlier, with unlimited users on each licensed device.
Perpetual license for the 2016 CAL version. No subscription and no renewal.
Installation notes for Remote Desktop Licensing Manager: activate the license server, run the Install Licenses wizard, set the deployment to Per Device.
Delivered to your order page, usually instantly and at most a few minutes after payment. We email you a link too.
Not included: the Windows Server operating system license, Windows Server CALs, and Per User CALs, which are licensed separately.

Version rights: licenses RD Session Hosts running Windows Server 2016 or earlier, including 2012 R2 and 2012. Not valid for 2019, 2022 or 2025 hosts.
License server: RD Licensing role on Windows Server 2016 or later, activated against the Microsoft Clearinghouse before permanent CALs are issued.
Licensing mode: the deployment must be set to Per Device in Deployment Properties, or through the Set the Remote Desktop licensing mode policy. A session host runs one mode only.
Coverage: one CAL per connecting device regardless of how many people use it. The two administrative connections included with Windows Server need no CAL.
Issuance: temporary license on the first connection, permanent CAL on the second, with staggered 52 to 89 day expiry and automatic renewal.
Also required: a Windows Server 2016 CAL for every user or device, plus core licenses for the server itself.
Host core licensing: Windows Server 2016 Standard and Datacenter license all physical cores, minimum 8 per processor and 16 per server, sold in 2-core packs. Standard covers 2 operating system environments, Datacenter unlimited.
Grace period: an unlicensed RD Session Host serves clients for 120 days from the first connection, then refuses sessions.
Reassignment: up to 20 percent of the installed Per Device CALs for a version can be revoked in Licensing Manager; the remainder return to the pool at expiry.
Host capacity: Windows Server 2016 addresses up to 24 TB of RAM per host.
Lifecycle: Windows Server 2016 extended support ends 12 January 2027. The CALs themselves do not expire.

Purchase — Complete your order securely
Receive Key — Your key appears on your order page right after payment, and we email you a link. Click “Reveal key” to see it
Activate — Enter the key during product setup or in Settings > Activation

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How this key works

The CAL pack is installed on your Remote Desktop license server with RD Licensing Manager.

Reinstalling

If you rebuild the license server, install the pack again with the same key.

New hardware

Replacing a workstation or a user does not need a new pack — the license server reassigns CALs.

Compare all key types — OEM, Retail, phone, Microsoft account →

Frequently Asked Questions

It licenses a machine, not a person. Any number of staff can sign in from that machine to a Windows Server 2016 RD Session Host and every one of them is covered. Each distinct endpoint that connects needs its own CAL, including thin clients, tablets and home PCs. The two administrative connections built into Windows Server stay free.

A device receives a temporary license on its first connection and draws a permanent CAL from the pool on its second. Permanent Per Device CALs carry staggered expiry dates roughly 52 to 89 days out and renew automatically while the device keeps connecting. Every issued CAL is listed per device in Remote Desktop Licensing Manager, so the count is enforced and auditable.

Yes. A 2016 RDS Per Device CAL reaches back as far as Windows Server 2012, so 2012 R2 and 2012 session hosts are covered alongside 2016. It cannot license a 2019, 2022 or 2025 session host, which need CALs of their own version or newer, and the RD Licensing role itself must run on Windows Server 2016 or later.

Yes. Device CALs count machines, not headcount, so 50 terminals need 50 CALs whether 130 or 300 agents rotate through them. Per User licensing on the same site would need 130. Break-even sits at one user per device: above that ratio device licensing wins, and it only slips if an agent also connects from a second machine, which needs its own CAL.

A new RD Session Host accepts sessions for 120 days from the first client connection without any license server present. When that window closes, clients are refused until an activated RD Licensing server holding CALs is reachable. Install and activate the license server first, then point the deployment at it, rather than running down the countdown.

The CALs are perpetual and keep working on 2016 and older session hosts for as long as you run them. What ends is security updating for the host operating system. If those hosts are rebuilt on a newer Windows Server release, the CAL version has to move up with them, because a 2016 CAL cannot license a 2019 or later host.

Usually instantly, and at most a few minutes depending on demand and stock. Your key appears on your order page as soon as your payment is confirmed, and we email you a link to it. The key stays hidden until you click Reveal key.

Send our support team your order number and a screenshot of the activation error. Most problems are an edition mismatch or a typo, and we'll help you fix it. If the key really is faulty, we send a free replacement within 24 hours — or a full refund if we can't replace it.