Organization Guest Access lost (after migration)

Super Contributor

Hello Teams Community,


Please i need your help on this. 


We migrated users from one tenant to another Tenant on Friday 1st of April 2022. 
And before the migration, those users were already added as guest users in other organizations but after the migration was completed the users can no longer find themselves in the organizations in which they were added as guests. 
Only the UPN and ID of the user changed but the email address didn't change.  




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