The accompanying file "Agilent IntuiLink PNA Support.MSI" 
contains the required installation package for the Agilent PNA Series
Network Analyzer. This package must be installed on any PNA Series
Network Analyzers with which IntuiLink PNA will be used. IntuiLink
PNA will not be able to communicate with the Analyzer until
it is installed. 

This package is being incorporated into the Agilent PNA Series 
Network Analyzer firmware and this package may not be necessary
for PNA firmware versions after A.01.40.