在域控DC1上删除已脱机的ad1域控
cmd
C:\>ntdsutil
ntdsutil: metadata cleanup
metadata cleanup: select operation target
select operation target: connections
server connections: connect to server onlinedc
server connections: quit
select operation target: list site
select operation target: list domains
select operation target: select domain 0
select operation target: list servers for domain in site
select operation target: select server 1
select operation target: quit
metadata cleanup: remove select server
metadata cleanup:quit
