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Merge pull request #204936 from khdownie/kendownie071522-2
Moving ABE from FAQ to DFS-N page
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articles/storage/files/files-manage-namespaces.md

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Now that you have created a namespace, a folder, and a folder target, you should be able to mount your file share through DFS Namespaces. If you are using a domain-based namespace, the full path for your share should be `\\<domain-name>\<namespace>\<share>`. If you are using a standalone namespace, the full path for your share should be `\\<DFS-server>\<namespace>\<share>`. If you are using a standalone namespace with root consolidation, you can access directly through your old server name, such as `\\<old-server>\<share>`.
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## Access-Based Enumeration (ABE)
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Using ABE to control the visibility of the files and folders in SMB Azure file shares isn't currently a supported scenario. ABE is a feature of DFS-N, so it's possible to configure identity-based authentication and enable the ABE feature. However, this only applies to the DFS-N folder targets; it doesn't retroactively apply to the targeted file shares themselves. This is because DFS-N works by referral, rather than as a proxy in front of the folder target.
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For example, if the user types in the path \\mydfsnserver\share, the SMB client gets the referral of \\mydfsnserver\share => \\server123\share and makes the mount against the latter.
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Because of this, ABE will only work in cases where the DFS-N server is hosting the list of usernames before the redirection:
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\\DFSServer\users\contosouser1 => \\SA.file.core.windows.net\contosouser1
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\\DFSServer\users\contosouser1 => \\SA.file.core.windows.net\users\contosouser1
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(Where **contosouser1** is a subfolder of the **users** share)
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If each user is a subfolder *after* the redirection, ABE won't work:
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\\DFSServer\SomePath\users --> \\SA.file.core.windows.net\users
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## See also
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- Deploying an Azure file share: [Planning for an Azure Files deployment](storage-files-planning.md) and [How to create an file share](storage-how-to-create-file-share.md).
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- Configuring file share access: [Identity-based authentication](storage-files-active-directory-overview.md) and [Networking considerations for direct access](storage-files-networking-overview.md).

articles/storage/files/storage-files-faq.md

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- If users are accessing the Azure file share via a Windows Server that has the Azure File Sync agent installed, use an [audit policy](/windows/security/threat-protection/auditing/apply-a-basic-audit-policy-on-a-file-or-folder) or third-party product to track file changes and user access on the Windows Server.
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* <a id="access-based-enumeration"></a>
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**Does Azure Files support using Access-Based Enumeration (ABE) to control the visibility of the files and folders in SMB Azure file shares? Can I use DFS Namespaces (DFS-N) as a workaround to use ABE with Azure Files?**
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**Does Azure Files support using Access-Based Enumeration (ABE) to control the visibility of the files and folders in SMB Azure file shares?**
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Using ABE with Azure Files isn't currently a supported scenario, but you can [use DFS-N with SMB Azure file shares](files-manage-namespaces.md). ABE is a feature of DFS-N, so it's possible to configure identity-based authentication and enable the ABE feature. However, this only applies to the DFS-N folder targets; it doesn't retroactively apply to the targeted file shares themselves. This is because DFS-N works by referral, rather than as a proxy in front of the folder target.
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For example, if the user types in the path \\mydfsnserver\share, the SMB client gets the referral of \\mydfsnserver\share => \\server123\share and makes the mount against the latter.
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Because of this, ABE will only work in cases where the DFS-N server is hosting the list of usernames before the redirection:
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\\DFSServer\users\contosouser1 => \\SA.file.core.windows.net\contosouser1
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\\DFSServer\users\contosouser1 => \\SA.file.core.windows.net\users\contosouser1
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(Where **contosouser1** is a subfolder of the **users** share)
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If each user is a subfolder *after* the redirection, ABE won't work:
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\\DFSServer\SomePath\users --> \\SA.file.core.windows.net\users
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Using ABE with Azure Files isn't currently supported, but you can [use DFS-N with SMB Azure file shares](files-manage-namespaces.md#access-based-enumeration-abe).
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### AD DS & Azure AD DS Authentication
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* <a id="ad-support-devices"></a>

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