Odstranění mrtvého Exchange serveru

Open ADSIEDIT.MSC (support tools) and follow the steps

Expand Configuration (Server name)--> CN=configuration,DC=.example,DC=.COM--> CN=Services --> CN=Microsoft Exchange --> CN=Organization --> CN= Administrative Groups --> CN=(Name of the RG or Admin Grop) --> CN=Servers --> Rt. Click on the server which you wannna delete and delete it.