Complete procedures with a way back.

Plan, promote, harden, validate, and back up a new two-controller Windows Server 2025 forest without exposing credentials or treating a VM snapshot as directory recovery.

Deploy three independent Redis Sentinels around a TLS/ACL-protected Redis Open Source 8.8 primary and two replicas, prove quorum versus majority, validate Sentinel-aware clients and test promotion, fencing and backup restore.

Prepare compatible primary and replica servers, create a TLS-bound replication user, seed data, configure GTID replication, monitor lag, and test recovery.

Prepare source and replica identities, enable GTIDs and binary logs, seed from a verified backup, require TLS, start replication, and test lag and restart.