how can I migrate from windchill 10.1 M040 to 11.0 M010 where source and target server names are different. expdp/impdp work properly. but Ldap and DS import fail. is ther any one who can suggest the resolution?

how can I migrate from windchill 10.1 M040 to 11.0 M010 where source and target server names are different.

expdp/impdp works properly but Ldap and DS import fail. Is there any one who can suggest the resolution?