AzureAD Provisioning Services Object matching

Felber Pirmin 21 Reputation points
2020-09-07T07:37:23.4+00:00

I'm wondering how object matching by attribute is technically implemented in Azure AD outbound synchronization (Azure AD to SaaS App)
a) Are source objects technically joined when attribute matches?
Azure AD objects references immutable Id of object in SaaS App after object has been joined by a attribute matching
That would be the same implementation as in Microsoft Identity manager synchronization engine
-> With this (preferred) implementation matching attribute can be mutable / support renames

b) Are attribute-matching evaluated with every cycle?
-> With this implementation matching attribute must be immutable

Thanks for any feedback

Azure Active Directory
Azure Active Directory
An Azure enterprise identity service that provides single sign-on and multi-factor authentication.
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  1. VipulSparsh-MSFT 15,961 Reputation points
    2020-09-29T05:30:42.477+00:00

    @Felber Pirmin Thanks for reaching out on this and apologies for delay.

    This article describes how the matching is done. The article describes the matching process in detail with respect to these main points.

    Matching attributes should be unique
    The value in the source and the target do not have to match exactly
    Matching based on a combination of attributes is not supported
    All users must have a value for at least one matching attribute
    The target application must support filtering on the matching attribute

    We query the target system to identify matching users based on the matching attribute.
    1) If a user is matched, the target system responds back with the ID of the user that is immutable and used in all subsequent requests.
    2) If the matching attribute value changes, we are able to update the existing user by using the immutable ID in future patch requests.

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