my DHCP Server ran out of ip addresses to assign
hi experts,
my dhcp server ran out of ip addresses to assign. What can be done in this case?
my dhcp server ran out of ip addresses to assign. What can be done in this case?
Go through DNS and delete unused entries (Usually there are lots of duplicates or old ones you should be able to tell at least some of them, the ones you can't you can ping them to see if they are still around.), Go into DHCP and delete unused Address Leases, and go into DHCP and increase the range of your scope.
You can either add a second scope (range of addresses) or extend the scope you have now.
ASKER
where do I go to check duplicate ip addresses on the server?
ASKER CERTIFIED SOLUTION
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In the address leases look for entries for more than one IP assigned to the same hostname.
You can completely disregard the advice about looking for duplicate entries in DNS. That has nothing to do with the problem you're experiencing.
Besides cleanup it may help if shorter lease times (esp. if they are now > few hours) are assigned.
That will release addresses back to the free pool faster. This is mostly applicable when there are mobile systems around.
If that doesn't help you need fewer systems or more addresses.
Systems will not change address midsession. because they extend their lease before it expires.
That will release addresses back to the free pool faster. This is mostly applicable when there are mobile systems around.
If that doesn't help you need fewer systems or more addresses.
Systems will not change address midsession. because they extend their lease before it expires.
ASKER
thank you, i added another subnet.
"You can either add a second scope (range of addresses) or extend the scope you have now."
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