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ShareGate added me everywhere as Site Collection Administrator - how to undo?
Hi, So I've tried out ShareGate because I wanted to test their file migration solution. While doing this it prompted me to add myself as Site Collection Administrator, which I accepted, since I'...
Or, if you want to do it manually for each group, you can go to https://<tenant>.sharepoint.com/sites/<group>/_layouts/15/mngsiteadmin.aspx
You should be seeing Group-based sites via PowerShell, which version of the module are you using?
If you have been explicitly added as SC admin, the familiar
Set-SPOUser -LoginName user@domain.com -IsSiteCollectionAdmin $false -Site https://blalba.sharepoint.com/sites/blabla
should work, or just adjust the membership of the Owners group.