Additional NAV Instances in azure sql

Hi All,
When i am trying to import Key using below comments i am getting following error message .Please help me

Export-NAVEncryptionKey -ServerInstance LSVDB2017 -KeyPath 'C:\ProgramData\Microsoft\Microsoft Dynamics NAV\100\Server\Keys\LSVDB2017.key' -Password (Get-Credential).Password | Import-NAVEncryptionKey -ServerInstance NewInstance2017

Note:
The Aim is need to create multiple instance and need to connect with out any issue
Already having one instances with out having any issue .The issue comes when i am trying to create new instances

Regards,
Muthu