Seize FSMO role


i have a.com forest root domain.under a.com have child domain named 1.a.com.i have different tree in existing forest in x.com tree root domain.

fsmo role each dcs specified below--

a.com - 5 fsmo roles

1.a.com -- own rid,pdc,infrastructure roles

x.com --  own rid,pdc,infrastructure roles

i not have other dcs in infra.

now lets a.com down , can not recovered , plan seize fsmo roles 1.a.com.

my first question is--
1) need seize 5 fsmo roles?
2) possible seize roles in other domain or tree , if possible need seize 5 roles?
3)what happen if dc in nonrecoverable state becomes available  , dc on seized fsmo role online.?
4)can later on add dc in existing domain on can seize fsmo roles evenif dc holding fsmo roles down.


best regards, parveen chauhan email-parveenc@hcl.in mobile: +91-9811629793

best regards, parveen chauhan email-parveenc@hcl.in mobile: +91-9811629793

1) that's correct - need 2 forest-wide , 3 domain-wide fsmo roles available
2) forest-wide can held dc in forest - although common practice keep them in root domain. domain-wide fsmos need hosted on dc in domain
3) typically nothing (although in cases allowed). more info, refer http://technet.microsoft.com/en-us/library/cc780487(ws.10).aspx (operations master role functionality risk assessment section). in general, want avoid seizing role if original owner recoverable
4) correct

hth
marcin



Windows Server  >  Directory Services



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