Thanks for reply. Yes it will not cause any issue. But this failure causing issue in adop cutover phase and it is failing.
Any way raised SR with oracle. will post workaround if we get anything from ORACLE.
Issue is with DNS resolution of the server. Corrected the names server entries in /etc/resolv.conf and DNS .
Yes, Issue is with DNS resolution of the server. Now Issue has resolved. Thank you every one.