Step 1 : Take backup of Managed Metadata server application DB. Step 2 : Restore the MMS DB in SP 2013 SQL environment. Step 3 : To Store the application pool that you want to use as a variable for this service application, at the PowerShell command prompt, type the following command : $applicationPool = Get-SPServiceApplicationPool -Identity 'SharePoint Web Services default' * SharePoint Web Services default is the name of the service application pool that will contain the new service applications. Step 4 : To upgrade the MMS, type the following command in PowerShell command prompt: $mms = New - SPMetadataServiceApplication - Name 'My Managed Metadata Service Application' - ApplicationPool $applicationPool - DatabaseName 'Managed Metadata Service_DB' Step 4 : Type the following command in PowerShell command prompt for creating proxy service: New - SPMetadataServiceApplicationProxy - Name " My Managed Metadata Service Proxy"
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