Index: src/univention/management/console/protocol/server.py
===================================================================
--- src/univention/management/console/protocol/server.py	(Revision 45487)
+++ src/univention/management/console/protocol/server.py	(Arbeitskopie)
@@ -213,6 +213,9 @@
 			Server.reload()
 			state.authResponse = Response( msg )
 			try:
+				for key in ('username', 'password', 'new_password'):
+					if isinstance(msg.body[key], (unicode,)):
+						msg.body[key] = msg.body[key].encode('UTF-8')
 				state.authenticate( msg.body[ 'username' ], msg.body[ 'password' ], msg.body.get( 'new_password' ) )
 			except ( TypeError, KeyError ), e:
 				state.authResponse.status = BAD_REQUEST_INVALID_OPTS