Trying to decommission an active directory server and getting an error in dcpromo


i'm trying decommission active directory server , when used dcpomo wizard error "the directory service missing mandatory configuration information, , unable determine ownership of floating single-master operation roles."

this domain has 3 dc's , i'm removing 1 of them.  all gc's, roles on other servers 1 i'm removing.

windows 2008 r2 standard

coincidentally windows2008 sbs install awhile migrated windows2008 r2 standard , removed sbs server.

so during googling mentioned running below see output:

"dsquery * cn=infrastructure,dc=forestdnszones,dc=domain,dc=tld -attr fsmoroleowner"

in case output is: 

"cn=ntds settings\0adel:ca819520-8c87-4c0b-9a1e-d6408c6a40b7,cn=ditsbs\0adel:98ac6470-1120-4112-9fca-440bb36aad51,cn=servers,cn=default-first-site-name,cn=sites,cn=configuration,dc=domain,dc=tld"

that 'ditsbs' old sbs server, maybe has this.

running 'fixfsmo.vbs' made no difference either

any ideas?


heh right after posting found command worked , cleaned bad records of old sbs server still showing in dsquery command:

cscript fixfsmo.vbs dc=forestdnszones,dc=domain,dc=tld

followed by:

cscript fixfsmo.vbs dc=domaindnszones,dc=domain,dc=tld

after running above 2 commands, able run dcpromo remove ad successfully



Windows Server  >  Directory Services



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