Should you already be using an older version of Connection Service on the same computer, then proceed with the installation of the new version as for a new installation (for more on this, see Installing the Connection Service).
Then check in the configurations console whether all the old settings have been adopted by the new version. If not, you will find them in the Windows registry under:
hkey_local_machine\Software\Wow6432Node\ThinPrint\TPConnect
- Simply copy the missing settings to:
hkey_local_machine\Software\ThinPrint\TPConnect
Most importantly, displayed here is the list of computers that may send data to the Connection Service; their value is IPAccessDisabled. As an example, open this value and copy its contents, to insert it into the new path.
You will find additional registry values for Connection Services in the section Relevant registry keys.
Windows registry: list of the computers that can send data to the Connection Service