Forum Discussion
Exchange Online Mailbox Association with AD account on Premise
Hello Experts, is there any way to pull a report of Exchange Mailbox association with On-premise AD account we have 2 AD forests and both are synching with Azure AD via AAD connect We nee...
Well you have the ImmutableID/SourceAnchor parameter, it's a 1:1 mapping between cloud and on-prem objects. Depending on your configuration, it can use different set of attributes, the default one being ObjectId for single-forest and objectSID/msExchMasterAccountSid for account/resource forest configuration. So check what you are using and then match the values between O365 mailboxes and the on-prem forest(s).