Index: umc/python/adtakeover/takeover.py
===================================================================
--- umc/python/adtakeover/takeover.py	(Revision 62618)
+++ umc/python/adtakeover/takeover.py	(Arbeitskopie)
@@ -1078,10 +1078,14 @@
 		sysvol_dir = "/var/lib/samba/sysvol"
 		samdb_domain_dns_name = self.samdb.domain_dns_name()
 		sam_sysvol_dom_dir = os.path.join(sysvol_dir, samdb_domain_dns_name)
-		ucs_sysvol_dom_dir = os.path.join(sysvol_dir, ucr["domainname"])
-		if samdb_domain_dns_name != ucr["domainname"]:
-			if os.path.isdir(ucs_sysvol_dom_dir) and not os.path.isdir(sam_sysvol_dom_dir):
-				os.rename(ucs_sysvol_dom_dir, sam_sysvol_dom_dir)
+		if not os.path.isdir(sam_sysvol_dom_dir):
+			ucs_sysvol_dom_dir = os.path.join(sysvol_dir, ucr["domainname"])
+			ucs_sysvol_dom_dir_lower = os.path.join(sysvol_dir, ucr["domainname"].lower())
+			if os.path.isdir(ucs_sysvol_dom_dir_lower):
+					os.rename(ucs_sysvol_dom_dir_lower, sam_sysvol_dom_dir)
+			elif samdb_domain_dns_name != ucr["domainname"]:
+				if os.path.isdir(ucs_sysvol_dom_dir):
+					os.rename(ucs_sysvol_dom_dir, sam_sysvol_dom_dir)
 
 		msgs = self.samdb.search(base=self.samdb.domain_dn(), scope=samba.ldb.SCOPE_SUBTREE,
 							expression="(objectClass=groupPolicyContainer)",