String oldRdn = "cn=" + cnVal;
Attributes attributes = getPersonAttributes( snVal, cnVal );
ctx.createSubcontext( oldRdn, attributes );
// modify Rdn from cn=Tori Amos to cn=<a Umlaut>\+
ctx.addToEnvironment( "java.naming.ldap.deleteRDN", "true" );
String newRdn = "cn=\\C3\\A4\\+";
ctx.rename( oldRdn, newRdn );
// Check, whether old Entry does not exists
try