I was in the process of upgrading VC 6.0 EP01 to 6.0 U1 when I realized that the process to perform this same version upgrade was not the same. I did quite a bit of hunting for the specific info on how to do this, so I figure I would save people some time and publish the link here.
There are a couple items that can be easily missed in the Documentation for upgrading the VCSA in version 6. The documentation is located HERE.
Here is a quick step by step to help summarize: