Azure AD Connect Cloud Sync

technonet 96 Reputation points
2021-10-02T07:00:00.57+00:00

Hi guys,

i am using Azure AD Connect Cloud Sync on my domain controller (windows server 2019) and I want to sync the msDS-cloudExtensionAttribute 1 - 15 of my users to Azure AD.
The documentation says this should work what-is-cloud-sync but the attributes are not synced and i have no clue why.
I checked it via Get-AzureADUserExtension -ObjectID "UserID".
Does anyone have an idea what to do?

Best greetings to you all

Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
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  1. technonet 96 Reputation points
    2021-10-04T06:03:48.65+00:00

    Hi and thank you for your answer.
    For clarification: I am using Azure AD Connect Cloud Sync not the classic Azure AD Connect.
    It seams to me that the documentation you provided is for Azure AD Connect and not for Azure AD Connect Cloud Sync.


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  1. Vasil Michev 100.1K Reputation points MVP
    2021-10-02T15:58:44.503+00:00

    Those are different attributes from the extensionAttributeXX, which are the ones synchronized by default. In turn, the extensionAttributeXX set is added by extending the AD schema with the Exchange additions, so that's a prerequisite if you want to use them. If you want to use the msDS-cloudExtensionAttribute set instead, you have to create custom rules to map them to one of the attributes that are syncing by default, or add them as schema extensions: https://learn.microsoft.com/en-us/azure/active-directory/hybrid/how-to-connect-sync-feature-directory-extensions

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