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GabrielParise-3435 avatar image
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GabrielParise-3435 asked GraceHE-MSFT commented

CAL license for Thin Clients

Good afternoon, We want to implant Thin Clients in our company. We found the TSPlus system who is telling us that we not need to buy any CAL license. They have this on their website "The Software contains Remote Desktop (RDS) and Remote Assistance technologies that enable the Software or applications installed on the TSplus server (hereafter referred to as a Host Device) to be accessed remotely from other Devices. You may use the Software's Remote Desktop (RDS) feature to access the Host Device from any Device provided you acquire a separate Software license for that Device. When you are using Remote Assistance (or other software which provides similar functionality for a similar purpose) you may share a Session with other users without any limit on the number of Device connections and without acquiring additional licenses for the Software. For Microsoft and non-Microsoft applications, you should consult the license agreement accompanying the applicable software or contact the applicable licensor to determine whether use of the software with Remote Desktop (RDS) or Remote Assistance is permitted without an additional license." May someone please tell if is it possible or not?

windows-server
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Hi,
We are looking forward to your reply and ready for help.

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Hi,
We haven't heard from you for several days. Any update?

Best Regards,
Grace

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GraceHE-MSFT avatar image
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GraceHE-MSFT answered cheong00 converted comment to answer

Hi,
Thank you for posting your query. According to your description, I think these links can help you figure out your concern.
Using certificates in Remote Desktop Services
https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/dn781533(v=ws.11)

Thin client RDS licensing
https://social.technet.microsoft.com/Forums/en-US/ac5d8cd6-a30e-4d6f-a5dd-6631b1461d8b/thin-client-rds-licensing?forum=winserverTS

Best Regards,
Grace

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cheong00 avatar image
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cheong00 answered

Btw, I think he is not asking about e-certificates, but CAL that license client access to the system.

IMO, if that TSPlus system is their own implementation of RDP server then no TS/RDS CAL should be required. However you should ask at Microsoft Licensing for authoritative answer.

Also note that as of now, although Microsoft had published the protocol itself as OpenSpec, she also explicitly requires third-party implementations to license the relevant RDP patents. Although the execution of patent right usually don't directly affect customers, the "cease and desist" request may make the company unable to offer further update/support for the product. I suggest you to check with them and see if the product had properly acquired grant on patent usage from Microsoft.


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