Forum Discussion
Microsoft Defender XDR Unified RBAC | Tenant Allow/Block List, entry addition error
Hello community, I'm looking into an issue that has appeared using the new Unified RBAC permissions in Defender XDR portal. First of all, the user that is trying to perform the action is invi...
Hello a-rapsomanikis,
We are experiencing some issues with Invited guests and their access to some MDO experiences , that were previously controlled by EXO roles (this is including TABL).
As a temporary workaround, you may need to disable Defender XDR RBAC for Email & Collaboration / Exchange Online section.
You may also need to re-assign the Entra ID roles in the Microsoft Admin Center
go to Role assignments - Microsoft 365 admin center > select "Exchange" roles tab > search for a "Security Administrator" role group > in the Security Administrator role group flyout, select "Permissions" tab > select "Security Admin" and click save.
Marina_Kidron confirming this workaround is functional.
Thank you for your continuous support and for introducing this workaround.