diff -ruN anaconda-13.21.215.p14/yuminstall.py anaconda-13.21.215/yuminstall.py
--- anaconda-13.21.215.p14/yuminstall.py	2014-03-17 20:10:34.000000000 -0700
+++ anaconda-13.21.215/yuminstall.py	2014-03-17 20:59:10.000000000 -0700
@@ -1825,7 +1825,7 @@
         # Figure out current version for upgrade nag and for determining weird
         # upgrade cases
         supportedUpgradeVersion = -1
-        for pkgtup in self.ayum.rpmdb.whatProvides('redhat-release', None, None):
+        for pkgtup in self.ayum.rpmdb.whatProvides('smeserver-release', None, None):
             n, a, e, v, r = pkgtup
             if supportedUpgradeVersion <= 0:
                 val = rpmUtils.miscutils.compareEVR((None, '9.0', '1'),
@@ -1836,9 +1836,6 @@
                     supportedUpgradeVersion = 1
                     break
 
-        if "SME Server" not in productName:
-            supportedUpgradeVersion = 1
-
         if supportedUpgradeVersion == 0:
             rc = anaconda.intf.messageWindow(_("Warning"),
                                     _("You appear to be upgrading from a system "