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Reply All from Shared Mailbox removes Sender Address and Duplicates Shared Mailbox Address
We're giving PersonA full permissions on that Shared Mailbox, which in Outlook means we don't add the mailbox at all, Outlook does it by itself.
So Automapping, got it. This is equivalent to the "additional mailbox" scenario, thus the behavior you are seeing. If you want the "correct" behavior, you need to add it as additional account instead.
From what you're saying it sounds like Automapping is optional? How do I switch it off and try what you're suggesting?
It's optional, but need to be configured via PowerShell. Remove the permissions and re-add them with Automapping turned off:
Remove-MailboxPermission mailbox -User delegate -AccessRights FullAccess
Add-MailboxPermission mailbox -User delegate -AccessRights FullAccess -Automapping $false
The mailbox will not automatically appear in Outlook then. To add it (as additional account), use the File menu -> Add Account -> Enter the shared mailbox email address and dont enter password. When prompted for credentials, enter the UPN/password of the delegate user.
- is there a solution for this issue. I believe removing auto-mapping is not the solution. could this be related to how the account was setup?
