HP EX475 HP MediaSmart Server - Installation and Troubleshooting Guide - Page 49

Troubleshooting Tips for Common Network Connection Issues, Table 5: Common Troubleshooting tips

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Troubleshooting Tips for Common Network Connection Issues Table 5: Common Troubleshooting tips for Network Connection Issues Question/Issue Probable Cause Answer/Resolution The network connection light alternates between blue and off. Why is the Network connection light off? The server is intermittently connected to the network. Check the cable connection between the server and the router (or switch). • To determine why the 1 Make sure that all the cable connections are correctly plugged in. network connection light is off. 2 Make sure the router or switch has power. 3 Restart the router or switch (or unplug and plug it back in). • The firewall is blocking the connection. 4 If you are using your own Ethernet cable, try using the Ethernet cable that came with the HP MediaSmart Server. • 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. • Check that the router • The HP MediaSmart Server comes automatically set to use a DHCP is correctly configured server to dynamically assign IP addresses. Most routers come with a for DHCP. 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. • Check the network is Check that each computer on the network has TCP/IP listed and set up properly for selected for the network properties with these options selected: TCP/IP. • Obtain IP address automatically. • Obtain DNS server address automatically. Troubleshooting 47

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Troubleshooting
47
Troubleshooting Tips for Common Network Connection Issues
Table 5: Common Troubleshooting tips
for Network Connection Issues
Question/Issue
Probable Cause
Answer/Resolution
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).
Why is the Network
connection light off?
•
To determine why the
network connection
light is off.
•
The firewall is
blocking the
connection.
•
Check that the router
is correctly configured
for DHCP.
•
Check the network is
set up properly for
TCP/IP.
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.
•
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.
•
The HP MediaSmart Server comes automatically set to use a DHCP
server to dynamically assign IP addresses. Most routers 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.
Check that each computer on the network has TCP/IP listed and
selected for the network properties with these options selected:
•
Obtain IP address automatically.
•
Obtain DNS server address automatically.