Some of the things you may encounter during the install of R2 that I call “sunspot” (1) impact:
1. If companyweb (and RWW and anything else) that worked before and now doesn’t, make sure that the .net hasn’t been accidentally flipped to .2 version of .net versus the .1 version.
2. During the install ensure you are using the built in administrator account (we call it the 500 account).
3. After the install on rare occasion you might get an issue where WSUS isn’t working…check to see if you have an error message about “self update tree” not working and review this KB:
The Microsoft Windows Server Update Services (WSUS) SelfUpdate service does not send automatic updates:
(1) sunspot impact – flukes of nature that you just can’t explain….