Status: IN
Establishing an IdM-AD trust requires common Kerberos encryption types, firewall ports (389/636, 88/464, 53, 135, 138, 139, 445, 3268), proper DNS resolution between domains, and Kerberos realm configuration.
Source: repo:entries/2026/03/03/documentation-red_hat_enterprise_linux-9-html-installing_trust_between_idm_and_a.md