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I need to set up a reservation on a DHCP server and I am getting an error

So when I go to make a reservation on the DHCP server I get an error.
Here is the error on a screenshot
Server is server 2003 r2
dhcp.png
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explorer648
Asked:
explorer648
1 Solution
 
Jaroslav MrazCTOCommented:
Is it a right MAC?
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KCTSCommented:
Try setting the option to DHCP ONLY
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explorer648Author Commented:
no it is not a mac
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aarthaCommented:
You need to authorize your DHCP server service with an Active Directory.
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explorer648Author Commented:
I dis autheriZe it. It does hand out dhcp
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Krzysztof PytkoSenior Active Directory EngineerCommented:
OK, try to do that from command-line. We will see if that was possible. On that DHCP server, open command-line and use this syntax

netsh dhcp server <DHCP-IP-Address> scope <Scope-ID> add reservedip <IP-Reservation-Address> <MAC-Address-of-PC> <Reservation-Name> "<Description>" <DHCP-Option>

for yours DHCP you can try (let's say that DHCP server IP is 192.168.1.1)

netsh dhcp server 192.168.1.1 scope 192.168.1.0 add reservedip 192.168.1.83 0016353c7404 wsus "" BOTH

For further reference may may wish to check my blog where I have an article for that at
http://kpytko.wordpress.com/2011/08/23/configuring-dhcp-server-from-command-line-on-windows-server-2003/

Regards,
Krzysztof
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Netman66Commented:
I believe JEREMYNO was referring to MAC address.  Does the machine you are setting the reservation for have that exact MAC address?

You can run GETMAC from a CMD window on your WSUS server to show the MAC address - make sure you get the right one as several will be listed.

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