I know, does anyone actually use this thing anymore? Well yes I do and one of the things that has prevented me from using it more is the fact that it is limited to 60 seconds of recording time. When doing some research today stumbled across this support article at the Microsoft website.
So if you've been perplexed like me on How to Increase the Maximum Recording Time in the Sound Recorder Utility you've now got your answer...and it is pretty simple to solve.
