The Powershell script will make run a backup of the files is taken and left on the server for it to be manually removed when you decide that it is nolonger needed. You will manually need to do a backup of the database using the following.
Backup the WebsitePanel database:
To run the PowerShell script you will need to have PowerShell 3.0 installed (You can see this by running "$PSVersionTable.PSVersion" in PowerShell).
You can download the PowerShell script from http://installer.solidcp.com/Files/1.0.1/SolidCP-Powershell-Migration.zip
To run the script you need to have set your execution policy to RemoteSigned using "Set-ExecutionPolicy RemoteSigned"
To run the script copy it to a location such as C:\WebsitePanel and run the PS1 file. This will then upgrade each component and output the information. This will need to be ran on all the servers which have any component of WebsitePanel installed.
To complete the upgrade for the enterprise server you will need to follow the steps for runnign the SQL upgrade.
To complete this set you will need a copy of the update_sql.sql, You can find this in the Enterprise update zip found at http://installer.solidcp.com/Files/1.0.1/SolidCP-EnterpriseServer-1.0.1-Update.zip