I don't see where or why you're cloning the ua but it looks pretty easy to get the ConnCache from the original. 

my $ua2 = $ua->clone;
$ua2->conn_cache($ua->conn_cache);

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In reply to Re^3: Using WWW::Scripter with NTLM authentication by rowdog
in thread Using WWW::Scripter with NTLM authentication by LambethBoy

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