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Renewing DHCP leases for legacy operating systems.
Last revision July 3, 2007
This page describes how to renew a DHCP lease on certain older
operating systems that are no longer supported on the School of
Earth Sciences network.
Please note that older versions of the Microsoft Windows operating
system are not even
allowed
on the Earth Sciences network because they have serious security flaws
that will never be fixed.
Mac OS 8 or 9
-
Open the
TCP/IP
control panel.
-
Change the configuration to
Manual Address.
Do not make any other changes.
-
Now change the configuration back to
DHCP.
-
Close the
TCP/IP
control panel.
If you are prompted to save the new configuration, click OK.
Windows NT
-
Open a command prompt window (Select
Run
from the
Start
menu, then type in
cmd
and press the RETURN key).
-
In the command prompt window, type this command
(don't forget to press the RETURN key):
ipconfig /release
-
Now, type this command:
ipconfig /renew
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Close the command prompt window.
Windows 95, 98, or ME
-
Select Run
from the
Start
menu, then type in
winipcfg
and press the RETURN key).
-
In the
winipcfg
window, click on the
Release all
button.
-
Now click on the
Renew all
button.
-
Close the
winipcfg
window.
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