General BITS troubleshooting

Iboyd has a great writeup on how and where to check various BITS settings in SCCM.

http://iboyd.net/index.php/2009/01/09/troubleshooting-sccm-and-bits-downloads/

One line in his post rings very true

"With BITS, you have to remember that, in simple terms, you’re downloading files from an over-glorified website. That means that your file transfers are dependent on the IIS instance running on the distribution point."