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Survival without FSMO

Posted on 2013-10-24
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Last Modified: 2014-02-06
Hi,

We have recently implemented a windows 2012 environment. This consists of two data centres in different regions. Site A holds the FSMO roles and Site B acts as secondary domain controller. When connectivity is broken with Site A all services in Site B go down and we see repeated 4015 errors. The solution is to restore DNS services from the FSMO.

Our questions are the following:
1) Is it possible for a secondary domain controller (No FSMO) to maintain a site (DNS, AD, etc)?
2) Typically how long will the secondary DC hold up services (DNS, AD, etc) before you have to seize FSMO?

Thank you
3)
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Question by:Robbie_Doherty
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Rodney Barnhardt earned 500 total points
ID: 39598127
Do you have DNS running on the DC in site B and configured as a replication partner? I would also configure it as a GC if you are using things that require LDAP services at that site. If you are only getting DHCP from the primary server, those will keep their address until the expiration period\check in time is reached.
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