Forum Discussion
Block users from becoming Guest in another Office 365 Tenant
Hi! Is it possible to restrict our Azure/Office 365 users from using their account/email-addresses as Guests in another Azure/Office 365 Tenant. I know that we can block which domains that we can se...
This feature is in preview now.
Have a look at cross tenant access policies:
4 years later I have the same question. Has anyone figured out how to block this?
Please upvote this recommendation. This feature is still not available after all these years... Uservoice was taken away so it probably lost all its traction.
https://feedbackportal.microsoft.com/feedback/idea/784eb507-eef7-ec11-a81b-000d3a03dba2
This feature is in preview now.
Have a look at cross tenant access policies:
As Peter Stapf points out, this is now trivial to do using Cross Tenant Access Policies.
