DBT-19617
The specified string SCAN name(s)/IP address(es) 'string' is/are not reachable from the system 'string'.
Cause
Unable to connect to the specified SCAN name(s)/IP address(es) using SCAN port number '%s'.
Action
Verify the correctness of SCAN IP Address and SCAN Port number.Additionally, make sure that network connection exist between the primary and standby database systems.