Users cannot access public folders after O365 migration w/ outlook 2016

dirkdigs 921 Reputation points

We have a hybrid set up between O365 and our Exchange 2019 server.
Migrating users from on prem seems to work fine.
After migration is complete, user can access their mailbox fine.
But when they try to access public folders on the 2019 server, they get “Cannot display the folder.” <<< Outlook 2016

The only fix is to have them create a new mail profile.

Is there any way around this?
Autodiscover is pointing to the 2019 server.

Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
4,707 questions
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
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  1. Andy David - MVP 137.9K Reputation points MVP

    From what I have seen, recreating the Outlook profile is the only sure way to fix this. I dont think its an Exchange issue either. I think its an Outlook one.