The 6.1.3.0 server packages have been removed. Please use the 6.1.3.1 packages which are currently available. For additional information about 6.1.3.0 please see Technote 1417521: http://www-01.ibm.com/support/docview.wss?rs=663&context=SSGSG7&dc=D600&uid=swg21417521&loc=en_US&cs=UTF-8&lang=en