There are two ways of resolving an issue when you receive the error “Windows 2003: The Cluster Service on node ‘Clustername’ cannot be started. The network path was not found.” when trying to open Cluster Administrator on an Exchange 2003 server running Windows 2003 First try this: From one of the cluster nodes: Click Start, go to Programs, go to Administrative Tools, click on Cluster Administrator. When prompted to connect to a cluster, type a (.) in the Open Connection to Cluster box, and then click Open. (Just bring the offline resources online if nothing has changed on the Network Adapter side of things and skip the next steps) Click the…