I have been working on a mail migration within an environment that has a Hybrid Exchange configuration with a single 365 tenant but which synchronises Active Directory from multiple forests. As part of the migration there is a need to migrate on-prem user accounts from a legacy forest into a new forest, but the accounts…
A script I recently used to add members to an office 365 distribution group using a remote exchange session in a hybrid setup (covered at the end).
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[cc lang="powershell"]$SourceFile = "" Import-CSV $SourceFile | ForEach ` {Add-DistributionGroupMember -Identity "Group Name" -Member $_.UPN Write-Host -ForegroundColor Green "Processed the record for $($_.UPN)" }[/cc] |
CSV file contains UPNs of all users to be added. I also found it useful to see who had permissions to send to this group using
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[cc lang="powershell"](Get-DistributionGroup -Identity "Group Name").AcceptMessagesOnlyFrom | ForEach {Get-User -Identity $_}[/cc] |
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This only applies to new Active Directory users. To look at how to use SMTP matching to link an on-prem user to an existing O365 mailbox in a hybrid environment follow this guide.1. Log into the Exchange Admin Center: https://mail.contoso.com/ecp2. In the EAC console of your on-premises hybrid server, go to Recipients > Mailboxes and click…
The scenario is that a user account has been created in Office 365 in a hybrid setup. This scenario is actually ok and is supported by Microsoft. However, it causes problems for an Office 365 user when they require access to public folders on the on-premises Exchange server. First make sure you have the correct…