I have installed the NXServer v 3 & am having trouble. Here is an excerpt from /var/log/messages

Sep 10 20:06:36 Dad_Linux sshd[12234]: Accepted publickey for nx from 192.168.1.246 port 2053 ssh2
Sep 10 20:06:39 Dad_Linux sshd[12274]: Invalid user Shea1Roh from 127.0.0.1
Sep 10 20:06:39 Dad_Linux sshd[12274]: Failed none for invalid user Shea1Roh from 127.0.0.1 port 55220 ssh2
Sep 10 20:06:39 Dad_Linux sshd[12274]: error: Could not get shadow information for NOUSER
Sep 10 20:06:39 Dad_Linux sshd[12274]: Failed password for invalid user Shea1Roh from 127.0.0.1 port 55220 ssh2
Sep 10 20:06:39 Dad_Linux NXSERVER-3.0.0-63[12246]: ERROR: Failed authentication. NXSsh exit status is:255 'NXNssUserManager::auth'
Sep 10 20:06:39 Dad_Linux NXSERVER-3.0.0-63[12246]: Failed SSHd authentication for user 'Shea1Roh', to '127.0.0.1', port '22': 'NX> 205 Shea1Roh@127.0.0.1's password: \nNX> 204 Authentication failed.\n ' 'NXNssUserManager::auth'
Sep 10 20:06:39 Dad_Linux NXSERVER-3.0.0-63[12246]: ERROR: Error while trying to authenticate user:Shea1Roh. NXNssUserManager::auth returned 255 'NXShell::handler_login'
Sep 10 20:06:39 Dad_Linux NXSERVER-3.0.0-63[12246]: ERROR: failed 'sshd authentication' for user 'Shea1Roh' from '192.168.1.246'. NXShell::handler_login NXShell 373
Sep 10 20:06:39 Dad_Linux sshd[12239]: error: channel 0: chan_read_failed for istate 3


Any suggestions would be appreciated.