During APS Booster configuration it is required to connect standalone UI host to DB replica by steps from Documentation but button
Connect to DBR Host is absent for standalone UI host.
Software-related issue #APS-44385 has been addressed to Odin platform Development team.
Contact your Technical Account Manager or Pooled Technical Associates to trace the status of the #APSA-19205.
In order to apply workaround please contact Odin Technical Support.