If you move one or more clients to a different domain or if the current domain is renamed, you must specify the new domain name in the CommCell environment.
Procedure
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From the CommCell Console ribbon, click the Home tab and then click Control Panel. 
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Under Maintenance, click Name Management. 
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In the Name Management Wizard, select Update Domain name and then click Next. 
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From the Old Domain Name list, select the old domain name. 
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In the New Domain Name box, type the new domain name and then click Next. 
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From the Available list, select the clients for which the domain name should change, and then click the right arrow button > to add them to the Selected list. 
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Clear the Update database even if clients are unreachable check box. Important: If any clients are unreachable, re-run this operation for the failed clients after they become reachable. 
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Click Finish. 
Result
The domain name is changed for the selected clients.