Solaris Common Messages and Troubleshooting Guide

Action

Check the non-responding NFS server to see whether the machine needs repair or rebooting. Encourage your user community to report such problems quickly but only once.

Should this message appear when booting a diskless client, make sure that the client's /etc/hosts file and the network naming service (NIS, NIS+, or other /etc/hosts files on the network) have been updated.