Index: ucs-4.1-3/services/univention-samba/python/share_restrictions.py
===================================================================
--- ucs-4.1-3/services/univention-samba/python/share_restrictions.py	(Revision 73946)
+++ ucs-4.1-3/services/univention-samba/python/share_restrictions.py	(Arbeitskopie)
@@ -275,8 +275,9 @@
 		if not group or not value.lower() in ('true', 'yes', '1'):
 			return
 
+		marktplatz_share_name = ucr.get('ucsschool/import/generate/share/marktplatz/name', 'Marktplatz').lower()
 		for share in self._shares.values():
-			if share.name in (group, 'marktplatz', 'homes'):
+			if share.name.lower() in (group.lower(), marktplatz_share_name, 'homes'):
 				continue
 
 			share.invalid_users = '@' + group
@@ -286,9 +287,9 @@
 		if not value:
 			return
 
-		hosts = value.split(' ')
+		marktplatz_share_name = ucr.get('ucsschool/import/generate/share/marktplatz/name', 'Marktplatz').lower()
 		for share in self._shares.values():
-			if share.name in ('marktplatz', 'homes'):
+			if share.name.lower() in (marktplatz_share_name, 'homes'):
 				continue
 			share.hosts_deny = shlex.split(value)
 			share.ucr = True
@@ -300,9 +301,8 @@
 
 	# set share options to -> shares
 	def _set_options(self, value, share, option):
-		if match and share and options and value:
-			if option not in self._shares[share]:
-				self._shares[share][option] = set()
+		if share and option and value and option not in self._shares[share]:
+			self._shares[share][option] = set()
 
 			self._shares[share].ucr = True
 			self._shares[share][option].add(value)