I edited lts.conf and booted the thin client. The results were the same -- black screen with 'x' mouse cursor. I also edited lts.conf and replaces a valid username (ws001) with an invalid username (dummy). The thin client hangs on the black screen with the 'x' mouse cursor. I also added another user to the server and changed lts.conf to reflect the new user and login. Same results... Here are the results of all logs that had entries for the thin client boot process: lts.conf: [00:0f:20:28:75:8d] LDM_USERNAME=ws001 LDM_PASSWORD=password LDM_SERVER=192.168.0.254 syslog: Nov 15 04:19:16 ltsp1 kernel: [ 184.599916] eth0: setting full-duplex. Nov 15 04:19:16 ltsp1 kernel: [ 184.600133] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready Nov 15 04:19:17 ltsp1 avahi-daemon[5044]: Registering new address record for fe80::210:5aff:fe1b:c373 on eth0.*. Nov 15 04:19:26 ltsp1 kernel: [ 194.635666] eth0: no IPv6 routers present Nov 15 04:19:29 ltsp1 dhcpd: DHCPDISCOVER from 00:0f:20:28:75:8d via eth0 Nov 15 04:19:29 ltsp1 dhcpd: DHCPOFFER on 192.168.0.2 to 00:0f:20:28:75:8d via eth0 Nov 15 04:19:37 ltsp1 dhcpd: DHCPREQUEST for 192.168.0.2 (192.168.0.254) from 00:0f:20:28:75:8d via eth0 Nov 15 04:19:37 ltsp1 dhcpd: DHCPACK on 192.168.0.2 to 00:0f:20:28:75:8d via eth0 Nov 15 04:19:37 ltsp1 in.tftpd[5772]: tftp: client does not accept options Nov 15 04:19:44 ltsp1 dhcpd: DHCPDISCOVER from 00:0f:20:28:75:8d via eth0 Nov 15 04:19:44 ltsp1 dhcpd: DHCPOFFER on 192.168.0.2 to 00:0f:20:28:75:8d via eth0 Nov 15 04:19:44 ltsp1 dhcpd: DHCPREQUEST for 192.168.0.2 (192.168.0.254) from 00:0f:20:28:75:8d via eth0 Nov 15 04:19:44 ltsp1 dhcpd: DHCPACK on 192.168.0.2 to 00:0f:20:28:75:8d via eth0 Nov 15 04:19:45 ltsp1 dhcpd: DHCPREQUEST for 192.168.0.2 (192.168.0.254) from 00:0f:20:28:75:8d via eth0 Nov 15 04:19:45 ltsp1 dhcpd: DHCPACK on 192.168.0.2 to 00:0f:20:28:75:8d via eth0 Nov 15 04:19:45 ltsp1 nbdrootd[5788]: connect from 192.168.0.2 (192.168.0.2) Nov 15 04:19:45 ltsp1 nbd_server[5789]: connect from 192.168.0.2, assigned file is /opt/ltsp/images/i386.img Nov 15 04:19:45 ltsp1 nbd_server[5789]: Size of exported file/device is 146518016 Nov 15 04:19:52 ltsp1 ldminfod[5791]: connect from 192.168.0.2 (192.168.0.2) auth.log Nov 15 04:16:56 ltsp1 sshd[4658]: Server listening on :: port 22. Nov 15 04:16:56 ltsp1 sshd[4658]: error: Bind to port 22 on 0.0.0.0 failed: Address already in use. Nov 15 04:17:02 ltsp1 gdm[5133]: pam_unix(gdm-autologin:session): session opened for user fm by (uid=0) daemon.log Nov 15 04:19:17 ltsp1 avahi-daemon[5044]: Registering new address record for fe80::210:5aff:fe1b:c373 on eth0.*. Nov 15 04:19:29 ltsp1 dhcpd: DHCPDISCOVER from 00:0f:20:28:75:8d via eth0 Nov 15 04:19:29 ltsp1 dhcpd: DHCPOFFER on 192.168.0.2 to 00:0f:20:28:75:8d via eth0 Nov 15 04:19:37 ltsp1 dhcpd: DHCPREQUEST for 192.168.0.2 (192.168.0.254) from 00:0f:20:28:75:8d via eth0 Nov 15 04:19:37 ltsp1 dhcpd: DHCPACK on 192.168.0.2 to 00:0f:20:28:75:8d via eth0 Nov 15 04:19:37 ltsp1 in.tftpd[5772]: tftp: client does not accept options Nov 15 04:19:44 ltsp1 dhcpd: DHCPDISCOVER from 00:0f:20:28:75:8d via eth0 Nov 15 04:19:44 ltsp1 dhcpd: DHCPOFFER on 192.168.0.2 to 00:0f:20:28:75:8d via eth0 Nov 15 04:19:44 ltsp1 dhcpd: DHCPREQUEST for 192.168.0.2 (192.168.0.254) from 00:0f:20:28:75:8d via eth0 Nov 15 04:19:44 ltsp1 dhcpd: DHCPACK on 192.168.0.2 to 00:0f:20:28:75:8d via eth0 Nov 15 04:19:45 ltsp1 dhcpd: DHCPREQUEST for 192.168.0.2 (192.168.0.254) from 00:0f:20:28:75:8d via eth0 Nov 15 04:19:45 ltsp1 dhcpd: DHCPACK on 192.168.0.2 to 00:0f:20:28:75:8d via eth0 Nov 15 04:19:45 ltsp1 nbdrootd[5788]: connect from 192.168.0.2 (192.168.0.2) Nov 15 04:19:45 ltsp1 nbd_server[5789]: connect from 192.168.0.2, assigned file is /opt/ltsp/images/i386.img Nov 15 04:19:45 ltsp1 nbd_server[5789]: Size of exported file/device is 146518016 Nov 15 04:19:52 ltsp1 ldminfod[5791]: connect from 192.168.0.2 (192.168.0.2) kern.log Nov 15 04:19:16 ltsp1 kernel: [ 184.599916] eth0: setting full-duplex. Nov 15 04:19:16 ltsp1 kernel: [ 184.600133] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready Nov 15 04:19:26 ltsp1 kernel: [ 194.635666] eth0: no IPv6 routers present messages Nov 15 04:19:16 ltsp1 kernel: [ 184.599916] eth0: setting full-duplex. Nov 15 04:19:16 ltsp1 kernel: [ 184.600133] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready Nov 15 04:24:05 ltsp1 syslogd 1.4.1#21ubuntu3: restart. auth.log