Paul wrote:

VanguardLH wrote:

Background Intelligent Transfer Service (BITS) will only use spare
bandwidth. If it is using half of your bandwidth means that you were
only using half and the other half would've been unused.

The OS Upgrade no longer uses BITS. You can try the BITSADMIN
utility (likely deprecated) and see what is going on.

So, if I *disable* the BITS service, the OS upgrade still proceeds?