Hi @Kamrul Bari ,
Thank you for posting this in Microsoft Q&A.
Yes, you can use the Microsoft Entra ID Free subscription to integrate SOPHOS ZTNA Directory. It's important to remember that the Free subscription has some limitations compared to the P1 and P2 subscriptions.
For your reference: https://www.microsoft.com/en-in/security/business/microsoft-entra-pricing?rtc=1
Hope this helps. Do let us know if you any further queries.
Thanks,
Navya
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