This exercise shows you how single master operations roles can be assigned to servers within the Active Directory environment.
- Open the Active Directory Domains And Trusts administrative tool by clicking Start > Administrative Tools > Active Directory Domains And Trusts.
- Right-click Active Directory Domains And Trusts and choose Operations Master.
- This brings up the Change Operations Master dialog box. Click Close to continue without making any changes.
- Note that you can change the operations master by clicking the Change button. If you want to move this assignment to another computer, you first need to connect to that computer and then make the change.
- Close the Active Directory Domains And Trusts administrative tool.
- Select Start > Administrative Tools > Active Directory Users And Computers.
- Right-click the name of the domain and select Operations Masters. This brings up the RID tab of the Operations Master dialog box.
- Notice that you can change the computer that is assigned to the role. In order to change the role, you first need to connect to the appropriate domain controller. Notice that the PDC and Infrastructure roles have similar tabs.
- Click OK to continue without making any changes.




