Struggling with Telnet/Microsoft Port Query Tool to test the correct firewall ports are open between Lync servers?
I almost started making my own tool/script but this guy has done the hard work for me!
http://flinchbot.wordpress.com/2013/05/10/portqueryui-config-xml-file-for-lync/
Really useful.
![Chris Hayward](https://chrishayward.co.uk/wp-content/uploads/2020/08/headshot.jpg)
Technical Architect at Symity