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Required ports for adding the ESX/ESXi host to an Active Directory domain

July 12th, 2014

You need to open both TCP and UDP ports for the following

Port 88 – Kerberos authentication
Port 123 – NTP
Port 135 – RPC
Port 137 – NetBIOS Name Service
Port 139 – NetBIOS Session Service (SMB)
Port 389 – LDAP
Port 445 – Microsoft-DS Active Directory, Windows shares (SMB over TCP)
Port 464 – Kerberos – change/password changes
Port 3268- Global Catalog search


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