Not this issue only applies to WHS 2011.
Additionally to the workaround on Issue 1 explained in this article, make sure you download the clinet connector software to the W8 client's Desktop first. Then set it to Windows 7 compatibility mode (right-click, compatibility tab) before executing the connector.
Even if you don't use Home Groups on your network, you may still have issues connecting to shared folders on the server if you use linked Microsoft ID to log into Windows 8 (which will be the preferred way for most users who wish to enable roaming and cloud syncing on Windows 8). This is because Windows 8 creates local proxy accounts for each linked Microsoft ID, and these proxy accounts do not have the same names as the user accounts on the server