ADMT Migration & Networks Ports For Windows
If you are performing an ADMT migration from a computer which sits
behind the firewall, it is important that you open the required
network ports to allow ADMT computer to communicate with both source
and target domain controllers
ADMT will fail to work if below network ports are not opened:
- 389 - LDAP
- 88 - Kerberos
- 53 - DNS
- 445 - SMB/CIFS
- 3268 - GC
- 135 - RPC
- 1024-65535 - Dynamic Port Range