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Is it required to have a User CAL or Device CAL to access Windows File Server on the network?

HARI LAKSHMANAN 0 Reputation points
2025-02-06T18:30:38.81+00:00

Hi,

I have a Windows Domain and users of that Domain are accessing a Windows File Server which has shared folders from their client devices. Do I need to buy User CAL or Device CAL for the users to access the network shares? These users do not logon to the server using RDP, they only access the shared folders from the server remotely.

Windows for business | Windows Client for IT Pros | Devices and deployment | Licensing and activation
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  1. Smith Pham 2,510 Reputation points Independent Advisor
    2025-07-29T15:29:54.4933333+00:00

    Dear Team,

    Yes, you are required to have either a User CAL or a Device CAL to access a Windows File Server on the network, even if users are only accessing shared folders and not logging in via RDP.

    Explanation:

    • Windows Server CALs (Client Access Licenses) are legally required for every user or device that accesses or uses the services of the Windows Server, including file sharing (SMB/CIFS protocol).
    • It does not matter whether users are logging in interactively (RDP) or just accessing file shares—CALs are still required.
    • You must choose either User CALs (for each user) or Device CALs (for each device), depending on your scenario and which is more cost-effective for you.

    https://www.microsoft.com/en-us/licensing/product-licensing/windows-server

    Best Regards,

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