We expanded to 255.255.252.0 at 16 different buildings doing it as you describe. It was painless and everyone ran just fine the next day. We could bang out static printers and static devices in an hour or so. Two techs did that while I flipped the router and dhcp, then I helped them finish up.
From: Glen Johnson [mailto:[email protected]] Sent: Thursday, December 17, 2009 3:59 PM To: NT System Admin Issues Subject: RE: Need more IP addresses Change the DHCP lease to 1 day. Shut down everything except the DHCP server, change the subnet mask and then bring everything back up, it should get new subnet mask. If you have devices with manually configured IP addresses, then they would obviously have to be changed. ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
