Recognizing Problems With Network Access
If users have problems using the rcp remote copy command to copy files over the network, the directories and files on the remote system may have restricted access by setting permissions. Another possible source of trouble is that the remote system and the local system are not configured to allow access.
See "Strategies for NFS Troubleshooting" in System Administration Guide: Resource Management and Network Services for information about problems with network access and problems with accessing systems through AutoFS.