Please make sure that port 1500 is open outbound to the Replication Server’s subnet.
To verify, create an new instance in the Replication Server subnet and run:
nc -l 1500
from the source machine run:
telnet <new instance ip> 1500
If this fails, please check:
- Network ACL on the target subnet
- Route rules on the target subnet
- Firewall (both internal and external) in the source
- Check if you checked/unchecked the “Use Private Connection” checkbox correctly.