PowerShell – Script to migrate a security group and all its members from AD to AAD

When you decide it's time to migrate your security groups from on-premise AD to the Cloud, you might find it very tedious and prone to mistakes. Of course that is if you have lots of groups to move. The script in this post should come to your aid as it finds the group you would like to migrate, creates a new group in AAD with a name you choose, then it adds all users and nested groups into the newly created group - the same as your AD group had. A few nice things this script also does: checks if the group you are about to migrate exists in AD; makes sure a group you will be creating in AAD doesn't already exist; combines description and notes, then adds them to a newly created group in AAD. Note that for this script to work well all nested groups must be…

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