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# Enable smart cards authentication in Remote Desktop Manager macOS

Here are the steps to enable the ***Smart cards authentication*** in Remote Desktop Manager macOS:

1. In an RDP session, enable the ***Smart cards*** device under the ***Local ressources*** tab.

   <figure><img src="https://cdnweb.devolutions.net/docs/docs_en_kb_KB4624.png" alt=""><figcaption></figcaption></figure>
2. In the ***Connection*** tab, disable the ***Activate network level authentication NLA (SingleSignOn)***.

   <figure><img src="https://cdnweb.devolutions.net/docs/docs_en_kb_KB4625.png" alt=""><figcaption></figcaption></figure>
3. Click ***Save***.


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