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Support for Azure Files(SMB) with On-Prem Active Directory via Azure Files AD DS Integration #871

@SubhasishDey

Description

@SubhasishDey

We are currently evaluating SMBJ for integration with Azure Files that are domain-joined to an on-premises Active Directory (AD) environment, using Azure Files AD DS integration. We could see the native users(storage account user with Shared key) works.

SMBJ version used = 0.14.0

But we would like to confirm
Does SMBJ support NTLM or Kerberos authentication flows when accessing Azure Files shares backed by on-prem AD DS?

Is Kerberos required for such a scenario, and if so, are there known configurations required in SMBJ to enable it (e.g., SPN handling, ticket cache)?

We have already confirmed that the Windows SMB client connects fine to the same share using domain credentials, so we are trying to understand whether SMBJ requires special handling for this integration.

Any guidance or confirmation would be greatly appreciated.

2025-07-08 16:53:20 IST (c.h.s.t.t.d.DirectTcpTransport:DEBUG) - Writing packet SMB2_SESSION_SETUP with message id << 3 >>
2025-07-08 16:53:20 IST (c.h.s.t.t.d.DirectTcpTransport:TRACE) - Packet SMB2_SESSION_SETUP with message id << 3 >> sent, lock released.
2025-07-08 16:53:20 IST (c.h.p.c.c.Promise:DEBUG) - Awaiting << 3 >>
... (no further progress or server response)

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