diff --git a/pykolab/setup/__init__.py b/pykolab/setup/__init__.py
index ad66bc1..52bee91 100644
--- a/pykolab/setup/__init__.py
+++ b/pykolab/setup/__init__.py
@@ -1,47 +1,78 @@
 # -*- coding: utf-8 -*-
 # Copyright 2010-2013 Kolab Systems AG (http://www.kolabsys.com)
 #
 # Jeroen van Meeuwen (Kolab Systems) <vanmeeuwen a kolabsys.com>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
 import os
 import sys
 
 import pykolab
+from pykolab.translate import _
 
 log = pykolab.getLogger('pykolab.setup')
 conf = pykolab.getConf()
 
 to_execute = []
 
 class Setup(object):
     def __init__(self):
         import components
         components.__init__()
 
         arg_num = 0
         for arg in sys.argv[1:]:
             arg_num += 1
             if not arg.startswith('-') and len(sys.argv) >= arg_num:
                 if components.components.has_key(sys.argv[arg_num].replace('-','_')):
                     to_execute.append(sys.argv[arg_num].replace('-','_'))
 
     def run(self):
+        if os.path.isfile('/sys/fs/selinux/enforce'):
+            if os.access('/sys/fs/selinux/enforce', os.R_OK):
+                # Set a gentle default because strictly speaking,
+                # setup won't fail (run-time does)
+                enforce = "0"
+
+                with open('/sys/fs/selinux/enforce', 'r') as f:
+                    enforce = f.read()
+
+                if enforce.strip() == "1":
+                    log.fatal(
+                            _("SELinux currently enforcing. Read " + \
+                            "https://git.kolab.org/u/1")
+                        )
+
+                    sys.exit(1)
+
+        if os.path.isfile('/etc/selinux/config'):
+            if os.access('/etc/selinux/config', os.R_OK):
+                with open('/etc/selinux/config', 'r') as f:
+                    for line in f:
+                        if line.strip() == "SELINUX=enforcing":
+                            log.fatal(
+                                    _("SELinux configured to enforce a " + \
+                                    "policy on startup. Read " + \
+                                    "https://git.kolab.org/u/1")
+                                )
+
+                            sys.exit(1)
+
         components.execute('_'.join(to_execute))
 
         if os.path.exists('/tmp/kolab-setup-my.cnf'):
             os.unlink('/tmp/kolab-setup-my.cnf')
 
diff --git a/setup-kolab.py b/setup-kolab.py
index e096b2c..914be99 100755
--- a/setup-kolab.py
+++ b/setup-kolab.py
@@ -1,42 +1,43 @@
 #!/usr/bin/python -u
 # -*- coding: utf-8 -*-
 #
 # Copyright 2010-2013 Kolab Systems AG (http://www.kolabsys.com)
 #
 # Jeroen van Meeuwen (Kolab Systems) <vanmeeuwen a kolabsys.com>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
 import logging
 import os
 import sys
 
 # For development purposes
 sys.path = ['.'] + sys.path
 
 import pykolab
 
 from pykolab.setup import Setup
+from pykolab.translate import _
 
 try:
     from pykolab.constants import *
 except ImportError, e:
     print >> sys.stderr, _("Cannot load pykolab/constants.py:")
     print >> sys.stderr, "%s" % e
     sys.exit(1)
 
 if __name__ == "__main__":
     setup = Setup()
     setup.run()