This is a safe operation that you can perform under all circumstances.
The most significant reason to view information about a replica is to view its synchronization information. (You can gather most of the information about a replica without leaving the main view you're working from.)
From either the Tree View or the list of Partitions and Servers, select a partition or a NetWare Server object.
Right-click on a replica and click Information.
To view replica information from the Partition Continuity view, right-click a replica in the grid and click Information.