On the DACS UI, the SNKD status appears as shown below, likely due to a version mismatch.
Sink Daemon: us01calpedeq02 [dacs7.12.0.F1] Client connections using: jDacsLib [dacs7.8.0.F1]
Thread dumps also indicate that connection establishment is stuck. A compatible RFA version is required to ensure successful connectivity with DACS 7.12.