Basics In a Logical Domains environment, console I/O from all domains, except the primary domain, is redirected to a service domain running the virtual console concentrator (vcc) and virtual network terminal server (vntsd) services, instead of the systems controller. The virtual console concentrator service functions as a concentrator for all domains, console traffic, and interfaces with the virtual network terminal server daemon and exports access to each console through a UNIX socket. … [Read more...] about OVM for SPARC (LDOMs) : Troubleshooting console issues