Server2008R2 DHCP Server loses reservations
Posted on 2011-03-23
We have a windows network with about 120 nodes. We just upgraded the DC to Server 2008R2. This server also hosts DHCP and DNS (IPV4). We configured the DHCP white list on this server.
The problem is that I have two clients that keep losing their IP address, a laptop (running XP SP3) and an HP color printer. The address is obtain by a DHCP reservation from the new 2008R2 DC. The way that I found that fixes this is to open DHCP in MMC, go to DHCP/Server/Scope, right click on scope, left click on reconcile. When the reconcile window opens, and I click on verify, the IP address in question appears and I click reconcile (I think). Sometimes I have to do this twice, but after that, the client is able to obtain an IP address.
I have many clients that obtain their IP address from this server with and without reservations, and it seems that only these two clients are having problems.
Does anyone know a way to fix this?