How to avoid "Failed to list resources" error with Azure Synapse RBAC?

Klaus Uhle 62 Reputation points

How to avoid the following error while assigning Synapse Administrator role to a user? This error is preventing me to assign roles to Synapse. It's not helping even if I write the full email of a user.


Azure Synapse Analytics
Azure Synapse Analytics
An Azure analytics service that brings together data integration, enterprise data warehousing, and big data analytics. Previously known as Azure SQL Data Warehouse.
4,467 questions
Azure Role-based access control
Azure Role-based access control
An Azure service that provides fine-grained access management for Azure resources, enabling you to grant users only the rights they need to perform their jobs.
685 questions
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Accepted answer
  1. KranthiPakala-MSFT 46,422 Reputation points Microsoft Employee

    Hello @Klassik-8038,

    Thanks for the question and using MS Q&A platform.

    Are you a guest user for that resource? If yes, then that is the root cause you are unable to list he AAD objects/users the access control drop down.

    External users cannot list AAD objects due to guest user access policy blocked to list objects.

    Resolution :

    In order to resolve this issue, please work with your AAD global admin user and ask them to follow below steps to change the security settings for the guest user.

    1. Use the AAD global admin user account and login into AAD portal
    2. From the AAD Portal, navigate to > Azure Active Directory > External Identities > External collaboration settings
    3. Admin has to change this setting to: Guest users have the same access as members (most inclusive) 245861-image.png

    Also please refer to this document which explains the permissions that guests have in Azure Active Directory: What are the default user permissions in Azure Active Directory?


    For more info about this and their impact please refer to this document: Microsoft 365 guest sharing settings reference

    Hope this info helps.

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