250 Upgrade and Maintenance Manual TX100 S3 Core Edition
Appendix
Ê Ensure that your Headless server is connected to your network through its
onboard Ethernet port 1 and that all additional LAN ports on expansion
boards have been disconnected.
Ê Check the network cable between the client computer and the Headless
server for proper connection.
Ê Ensure that the LAN activity LEDs on the Ethernet adapters of your client
computer and Headless server indicate a successful connection.
Ê Use a direct network connection between client computer and Headless
server instead of a switched network connection.
– Network connections up to 100 Mbit/s: use Ethernet cross-over cable
– Gigabit Network connections: use standard Category-5e Ethernet cable
Ê Ensure that the Remote Desktop connection is not blocked by local firewall
settings or a security suite on your client computer.
Ê Try rebuilding the USB stick by rebooting the Headless server from the
Maintenance & Recovery DVD as described in section "Accessing the
server using a VNC connection" of the PRIMERGY TX100 S3 Core Edition
Operating Manual.
Ê Try using a different USB stick for establishing the VNC connection in order
to rule out this potential source of error.
Ê Try accessing your Headless server from a different client computer in order
to test the VNC connection.
Ê If the VNC Viewer should crash after it has been started, try restarting the
viewer by double-clicking the Recovery.cmd file in the Recovery directory on
your USB stick. You may have to repeat this procedure up to three times until
the VNC connection is established.