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Windows Server IoT

What is Windows Server IoT?
Windows Server IoT is a binary-equivalent version of Windows Server available in both Standard and Datacenter editions, but it is licensed specifically for fixed-purpose appliances and embedded systems.

It is distributed through the OEM IoT embedded channel and is intended for dedicated use scenarios. This version follows Microsoft’s Long-Term Servicing Channel (LTSC), offering a longer support lifecycle and tailored usage rights for edge and IoT applications.

 

What’s the difference between Windows Server IoT and general-purpose Windows Server?
While both versions share the same features and capabilities, Windows Server IoT is designed for OEMs and is sold only through the embedded channel. It is licensed per device using a Certificate of Authenticity (COA), whereas general-purpose versions are licensed per user or per company through volume or CSP licensing.

Windows Server IoT supports global deployment and has a lifecycle of 10 years, in contrast to the 2–3-year lifecycle and limited use scope of general-purpose server licenses.

 

Can I use the product keys of the general-purpose channel to activate Windows Server IoT?
No, while both versions share the same features and capabilities, with Windows Server IoT you will need to download the Windows Server IoT version from www.microsoftoem.com and use the product key that’s printed on the Windows IoT COA which you can buy from Arrow.

 

What is the minimum licensing requirement for Windows Server IoT?
To comply with Microsoft’s licensing terms, OEMs must license a minimum of 16 cores per physical server, regardless of how many cores the server has.

Each processor must have at least 8 cores licensed. If additional cores are needed, add-on licenses are available in 4-core increments.

 

How do I license virtualization and failover scenarios with Windows Server IoT?
Licensing must cover the worst-case scenario where all virtual machines (VMs) may run on a single host. For example, in a failover configuration, even passive or backup servers must be fully licensed.

The Datacenter edition is recommended for these situations, especially in hyper-converged systems, because it allows unlimited VM instances.

 

Do these special editions require Client Access Licenses (CALs)?
Microsoft offers several CAL-free editions under the IoT channel, each designed for specific use cases. These special editions are exempt from CAL requirements, which can significantly reduce licensing costs and complexity for OEMs deploying dedicated-purpose server appliances.

 

Who is eligible to purchase and use Windows Server IoT licenses?
Only OEMs with valid CLA building fixed-purpose systems with the operating system and application pre-installed on the device are eligible. These licenses are not intended for resale to end-users or for use on general-purpose servers.