diff --git a/management/univention-management-console-module-adtakeover/umc/python/adtakeover/takeover.py b/management/univention-management-console-module-adtakeover/umc/python/adtakeover/takeover.py
index d043a29d20..6fa980a101 100644
--- a/management/univention-management-console-module-adtakeover/umc/python/adtakeover/takeover.py
+++ b/management/univention-management-console-module-adtakeover/umc/python/adtakeover/takeover.py
@@ -911,6 +911,8 @@ class AD_Takeover():
 			run_and_output_to_log(["univention-config-registry", "set",
 				"nameserver1/local=%s" % nameserver1_orig,
 				"nameserver1=%s" % self.ad_server_ip,
+				"kerberos/realm=%s" % SOMETHING_LOOKED_UP_FROM_AD_THE_SERVER,
+				"windows/domain=%s" % self.ad_netbios_domain,
 				"directory/manager/web/modules/users/user/properties/username/syntax=string",
 				"directory/manager/web/modules/groups/group/properties/name/syntax=string",
 				"dns/backend=ldap"], log.debug)
@@ -1026,6 +1028,10 @@ class AD_Takeover():
 			os.rename(BACKUP_DIR, "%s.bak" % BACKUP_DIR)
 			os.mkdir(BACKUP_DIR)
 
+		# Read the current value of samba4/ldap/base that has been set by 96univention-samba4.inst
+		self.ucr.load()
+		univention.admin.configRegistry.load()  # otherwise the modules do not use the new syntax
+
 		# Rewrite domain SID in OpenLDAP sambaDomain object
 		self.ad_domainsid = None
 		self.samdb = SamDB(os.path.join(SAMBA_PRIVATE_DIR, "sam.ldb"), session_info=system_session(self.lp), lp=self.lp)