
11: Troubleshooting and Contact Information
Problems and Error MessagesTable 11-2. Problems and Error Messages 
Problem/Message Reason Solution
When you issue the ARP –S 
command in Windows, the "ARP 
entry addition failed: 5" message 
displays.  
Your currently logged-in 
user does not have the 
correct rights to use this 
command on this PC.  
Have someone from your IT 
department log you in with 
sufficient rights.  
When you attempt to assign an IP 
address to the unit by the ARP 
method, the "Press Enter to go into 
Setup Mode" error "(described 
below) message displays. Now 
when you Telnet to the device 
server, the connection fails.  
When you Telnet to port 1 
on the device server, you 
are only assigning a 
temporary IP address. 
When you Telnet into port 
9999 and do not press 
Enter quickly, the device 
server reboots, causing it to 
lose the IP address.  
Telnet back to Port 1. Wait for it to 
fail, then Telnet to port 9999 
again. Make sure you press Enter 
quickly.  
When you Telnet to port 9999, the 
"Press Enter to go into Setup Mode" 
message displays. However, 
nothing happens when you press 
Enter, or your connection is closed.  
You did not press Enter 
quickly enough. You only 
have 5 seconds to press 
Enter before the connection 
is closed.  
Telnet to port 9999 again, but 
press Enter as soon as you see 
the "Press Enter to go into Setup 
Mode" message. 
You may have entered the 
Ethernet address incorrectly 
with the ARP command.  
Confirm that the Ethernet address 
that you entered with the ARP 
command is correct. The Ethernet 
address may only include 
numbers 0-9 and letters A-F. In 
Windows and usually in Unix, the 
segments of the Ethernet address 
are separated by dashes. In some 
forms of Unix, the Ethernet 
address is segmented with colons. 
The IP address you are 
trying to assign is not on 
your logical subnet.  
Confirm that your PC has an IP 
address and that it is in the same 
logical subnet that you are trying 
to assign to the device server.  
When you Telnet to port 1 to assign 
an IP address to the device server, 
the Telnet window does not respond 
for a long time.  
The device server may not 
be plugged into the network 
properly.  
Make sure that the Link LED is lit. 
If the Link LED is not lit, then the 
device server is not properly 
plugged into the network.  
When you try to assign an IP with 
DeviceInstaller, you get the 
following :  
"No response from device!  
Verify the IP, Hardware  
Address and Network Class.  
Please try again." 
The cause is most likely one 
of the following:  
The hardware address you 
specified is incorrect.  
The IP address you are 
trying to assign is not a valid 
IP for your logical subnet.  
You did not choose the 
correct subnet mask.  
Double-check the parameters that 
you specified. 
Note: You cannot assign an IP 
address to a device server through 
a router.