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DHCP windows 2012

Posted on 2013-05-13
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Last Modified: 2013-07-02
I deactivated old DHCP server and stopped and disable sevice on it.Now I want to apply existing range on the new DHCP server (Win 2012)...When I applying  IP addresses from old DHCP on the new one I'm getting errors "specified range either overlaps an existing range or is not valid".How to eliminate that ...??!
Both servers were rebooted and I flushdns and registerdns..
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Question by:mirekg
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Expert Comment

by:Thomas Grassi
ID: 39162661
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LVL 13

Expert Comment

by:Jaihunt
ID: 39164977
Hi

What is your IP subnet range. Check the start IP and End IP. Start IP should not be the router IP also Broadcast IP can not be added in the end IP

Thanks
Jai
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Accepted Solution

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mirekg earned 0 total points
ID: 39165038
Jai-This is not the case it looks like I have to wait when lease will expire for all the clients which have IP address assignment from the older server (I stopped DHCP service and deactivated prior that).Hopefully then I should be able to solve this dilemma...
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Author Closing Comment

by:mirekg
ID: 39292564
After lease expired and clients "grabbed" new IP assignments fom new server problem was resolved.
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