From http://www.symantec.com/connect/articles/readyfsmo-roles-active-directory-windows-2008-server
Flexibility Schema Operations Master FSOP
1. Forest Roles
Schema Master - As name suggests, the changes that are made while creation of any object in AD or changes in attributes will be made by single domain controller and then it will be replicated to another domain controllers that are present in your environment. There is no corruption of AD schema if all the domain controllers try to make changes. This is one of the very important roles in FSMO roles infrastructure.
Domain Naming Master - This role is not used very often, only when you add/remove any domain controllers. This role ensures that there is a unique name of domain controllers in environment.
2. Domain Roles
Infrastructure Master - This role checks domain for changes to any objects. If any changes are found then it will replicate to another domain controller.
RID Master - This role is responsible for making sure each security principle has a different identifier.
PDC emulator - This role is responsible for Account policies such as client password changes and time synchronization in the domain
Where these roles are configured?
Domain wide roles are configured in Active Directory users and computers. Right click and select domain and here option is operations master.
Forest roles Domain Naming master is configured in active directory domain and trust right click and select operations master. It will let you know the roles.
(c)Forest roles Schema Master is not accessible from any tool as they want to prevent this. Editing schema can create serious problem in active directory environment. To gain access you need to create snap-in and register dll file by regsvr32 schmmgmt.dll.
Seizing of Roles
In case of failures of any server you need to seize the roles. This is how it can be done:
For Schema Master:
Go to cmd prompt and type ntdsutil
Ntdsutil: prompt type roles to enter fsmo maintenance.
Fsmo maintenance: prompt type connections to enter server connections.
Server connections: prompt, type connect to server domain controller, where
Domain controller is the name of the domain controller to which you are going to transfer the role
Server connections: prompt, type quit to enter fsmo maintenance.
Fsmo maintenance: prompt, type seize schema master.
After you have Seize the role, type quit to exit NTDSUtil.
For Domain Naming Master:
Go to cmd prompt and type ntdsutil
Ntdsutil: prompt type roles to enter fsmo maintenance.
Fsmo maintenance: prompt type connections to enter server connections.
Server connections: prompt, type connect to server domain controller, where
Domain controller is the name of the domain controller to which you are going to transfer the role
Server connections: prompt, type quit to enter fsmo maintenance.
Fsmo maintenance: prompt, type seize domain naming master.
After you have Seize the role, type quit to exit NTDSUtil.
For Infrastructure Master Role:
Go to cmd prompt and type ntdsutil
Ntdsutil: prompt type roles to enter fsmo maintenance.
Fsmo maintenance: prompt type connections to enter server connections.
Server connections: prompt, type connect to server domain controller, where
Domain controller is the name of the domain controller to which you are going to transfer the role
Server connections: prompt, type quit to enter fsmo maintenance.
Fsmo maintenance: prompt, type seize infrastructure master.
After you have Seize the role, type quit to exit NTDSUtil.
For RID Master Role:
Go to cmd prompt and type ntdsutil
Ntdsutil: prompt type roles to enter fsmo maintenance.
Fsmo maintenance: prompt type connections to enter server connections.
Server connections: prompt, type connect to server domain controller, where
Domain controller is the name of the domain controller to which you are going to transfer the role
Server connections: prompt, type quit to enter fsmo maintenance.
Fsmo maintenance: prompt, type seize RID master.
After you have Seize the role, type quit to exit NTDSUtil.
For PDC Emulator Role:
Go to cmd prompt and type ntdsutil
Ntdsutil: prompt type roles to enter fsmo maintenance.
Fsmo maintenance: prompt type connections to enter server connections.
Server connections: prompt, type connect to server domain controller, where
Domain controller is the name of the domain controller to which you are going to transfer the role
Server connections: prompt, type quit to enter fsmo maintenance.
Fsmo maintenance: prompt, type seize PDC.
After you have Seize the role, type quit to exit NTDSUtil.
These are just random notes and programs that may have incomplete descriptions. Any scripts or programs use at your risk
Friday, September 2, 2011
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