HP EX475 MediaSmart Server - Manual (Page 131)

Troubleshooting 7-17
Why is the Network connection light off
To determine why the network connection light is off
1 Make sure that all the cable connections are correctly plugged in.
2 Make sure the router or switch has power.
3 Restart the router or switch (or unplug and plug it back in).
4 If you are using your own Ethernet cable, try using the Ethernet cable that
came with the HP MediaSmart Server.
The network connection light alternates between blue and off
The server is intermittently connected to the network.
Check the cable connection between the server and the router (or switch).
The firewall is blocking the connection
If using a firewall program, configure it to allow any HP MediaSmart or
Windows Home Server applications.
For instructions to unblock, see the software vendor's documentation.
For information about firewall blocking alerts, see
What do firewall blocking
messages mean? on page 7-21 .
Check that the router is correctly configured for DHCP
The HP MediaSmart Server comes automatically set to use a DHCP server to
dynamically assign IP addresses. Most router come with a built-in DHCP
server.
Check that the router has the DHCP server correctly enabled. Refer to the
documentation that came with the router for instructions on proper DHCP
server configuration.
For information about configuring a router for remote access, see
Configuring
your broadband router in the Windows Home Server Console Help.
Windows Vista: Check that Network Discovery is turned on
To ensure that Network Discovery is turned on
1 Click the Start menu, and then select Control Panel.
2 In the Control Panel, click View network status and tasks.