Install the Active Directory package on the access node on which you want to configure the Azure AD application.
Procedure
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From the navigation pane, go to Protect > Files.
The Files page appears.
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In the Actions column for the access node server, click the action button
, and then click Add software.
The Add software dialog box appears.
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In the Select Package(s) for field, select Active Directory.
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Click OK.
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Click Install.