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DHCP Status shows Not Connected

Posted on 2011-09-10
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Last Modified: 2012-05-12
This is a multipart question about DHCP in SBS 2003.

1. Not Connected - The DHCP server is working but when I launch it I see the status as “not connected.” There are no other DHCP servers running except for the WLAN on the firewall (SonicWALL). When I expand the tree it says it’s connected.

2. DHCP Server Name - I used CSIPW and everything worked fine, rebooted, but now the DHCP server shows “mail.domain.com [192.168.0.1]”. Shouldn’t it be the “S6” (server name) or “S6.domain.local”?

3. Random Address Pool - There was an address pool range of 1-9, which was deleted. Not sure if that is a default pool for SBS…no documentation on why it was created. Our main DHCP is range 100-199.

4. Scope - The scope shows [192.168.0.0] SBS Scope. Again not sure if this is correct, I didn’t remember seeing a 0.0 previously.

5. Reservations - Are reservations needed for the firewall or server?

See attachments for visuals.

DHCP-Not-Connected.JPG
DHCP-ServerName-Scope.JPG
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Question by:Blue Street Tech
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footech earned 2000 total points
ID: 36520689
1 - This is normal
2 - Do you mean the CEICW?  Usually the name will show the full name of your server (e.g. S6.domain.local, assuming your internal domain is domain.local), but as long as it is showing the correct IP, I don't see where it would matter.
3 - By default you will have of x.x.x.1 to x.x.x.254.  There will be an exclusion range of x.x.x.1 to x.x.x.9.  This is the range in which you should assign static IP addresses to whatever needs them.  If you need more static IPs, create another exclusion range.
4 - This is normal.
5 - Reservations are used when you want a machine or device to still use DHCP to obtain its IP, but you want it to always be the same.  For important equipment like servers, routers, etc. it is usually recommended to configure them with static IPs as you want them to always have the same IP whether it can contact the DHCP server or not.
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by:Blue Street Tech
ID: 36520763
@footech: thanks for your response.

CSIPW = Change Server UP wizard.
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by:Blue Street Tech
ID: 36520769
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