[Today’s post comes to us courtesy of Gagan Mehra from Commercial Technical Support]
Windows Small Business Server 2011 Essentials Update Rollup 1 has been released and is available for download. You can read about the issues this rollup addresses in KB2554629. Windows Small Business Server 2011 Essentials UR1 can be installed via Microsoft Update.
In addition to the sever-side update KB2554629, a second client-side update has been released. This update is documented in KB2554657. You can use Microsoft Update to install this on each of your SBS 2011 Essential client machines. The client-side update supports Windows XP SP2 and later.