Thanks LucD,

  I missedout to subsitute. After correction i am getting message

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Working with multiple default servers?

    Select [Y] if you want to work with more than one default servers. In this

case, every time when you connect to a different server using Connect-VIServer,

the new server connection is stored in an array variable together with the

previously connected servers. When you run a cmdlet and the target servers

cannot be determined from the specified parameters, the cmdlet runs against all

servers stored in the array variable.

    Select [N] if you want to work with a single default server. In this case,

when you run a cmdlet and the target servers cannot be determined from the

specified parameters, the cmdlet runs against the last connected server.

    WARNING: WORKING WITH MULTIPLE DEFAULT SERVERS WILL BE ENABLED BY DEFAULT

IN A FUTURE RELEASE. You can explicitly set your own preference at any time by

using the DefaultServerMode parameter of Set-PowerCLIConfiguration.

Will it make any changes if select option "Y" becz i have 5 vcenter server in current Environment.

thanks

vmk2014