Azure AD B2C: ObjectID insertion on create user

Muhammad Usman shaikh 66 Reputation points


doing migration from my identity server to azure ad b2c, but want to keep my identity server unique id into ObjectID attribute of azure ad b2c

can this be possible from microsoft graph api create request?

Microsoft Entra External ID
Microsoft Entra External ID
A modern identity solution for securing access to customer, citizen and partner-facing apps and services. It is the converged platform of Azure AD External Identities B2B and B2C. Replaces Azure Active Directory External Identities.
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  1. AmanpreetSingh-MSFT 56,491 Reputation points

    Hi @Muhammad Usman shaikh ·

    Users' Object IDs are immutable and read only, which means it can only be generated and assigned by B2C. You can not predefine/set/change it.


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