Hello Team,

EXH_EX0Organization_CreateHybridLinks is failing in production for the last 2 days with error :

Error executing script 'EXH_LinkEXHRemoteMailboxesToOffPrem'.

[System.ArgumentException] An item with the same key has already been added…

I'm not yet sure what is the best setup for integration Azure AD as target system.

We need hybrid users (with SSO), so AAD Connect is required anyway.
It is required as well for other purpose like device management.

Now I see the following two options…