What are the impact on network when gc,schema
master,domainnaming master,rid master,pdc
emulator,infrastructure master is down?
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Answer Posted / n.v.l.n.sivaramakrishna
What are the impact on network when gc,schema
master,domainnaming master,rid master,pdc
emulator,infrastructure master is down?
This is very very rare and varast senorio which we can't
expect any time.
The possible setups we should maintain to avoid un-
necessary problem including performance issues.
In general case holding all roles in one server is not the
best practise.
But this will be dependent on company capacity.
1)In general practise most of the user maintains the
primary role in main DC i.e., global catalog server and
remaining roles they will transfer to another server(ADC
with dns) used for load balancing purpose.
If you take this as a senario network users will not going
to effect. There is a chance of getting replication
problems which we can solve using alternate solution
methods like verifying the database, repaing the database,
if you have down time restoring the backedup active
directory.
2)If you have only one server means you are not able to
access total active directory resources.
a)users able to login and access all resources.
b)administrator not able manage server for any
administration tasks.
If server allows you to login then try to do database
repair using ntdsutil and after that restart the server.
If problem not solved the only way is restoring the
earliest backed up data of system state & dns (if it is
active directory integrated then only dns required) to
solve the issue.
If a & b not applied then verify the hardware installed are
loaded properly or not. like nic's.
3)In some cases they might be chance of having two global
catalog servers also.
4)The Best practise is maintaing earliest backups of system
state and dns.
Having Addition domain controller with dns configured.
regards,
sivaramakrishna.
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