moving dhcp from 2003 standard to 2008r2

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i have moved dhcp 2003 2008r2, not assign addresses. have followed http://support.microsoft.com/kb/962355/en-us move.

question need unauthorize and remove dhcp/ or shut down the 2003 server first before import database , authorize new 2008r2 server. after i imported database i left 2003 server authorized , short time (about 15 20 min) both servers running, but shut down old server. ip address need same on new server old 1 or matter?

thank you,

mark

mark

thank responses. needed assign ip address of old server new one. after more research and reading blog site: http://social.technet.microsoft.com/forums/en-us/a8a33ca9-3a7b-4831-bd2d-db5b7a688b93/dhcp-moved-from-windows-server-2000-to-2008r2?forum=winservermigration, the reply elie barbour: "its common issue, since dhcp broadcast stopped layer 3 switches in network, if have cisco switches, have specify "ip helper-address" , point new dhcp."

instead of changing config in switches, added ip addess of old dhcp server new one. dhcp working once again.



Windows Server  >  Migration



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