If you want to add a node to cluster and the procedure is stopped with message “Cluster node already exist” means the node is registered on Active Directory. This message appear after a restore of operating system or in some trouble cluster installation. The situation can be unlocked with a special command line. BE CAREFUL [...]

Windows Enterprise 2003 offer a GUI for moving resources (aka services) to free node’s inside a cluster. But this is possibile if you are logged-in by means of remote desktop, and often is desirable switch node in no working hours. An example is exchange server, if you switch nodes all clients connected reporting lost connection [...]

If you are in trouble, after create new POP3/IMAP4 resource into Exchange cluster, expecially for symptoms like failed starting service that cause a restarting and switching node for all Exchange group. The solution is simple, stop the Group (take offline) and go to service (start – run – services.msc), now find Microsoft Exchange IMAP4 or [...]